CN112320798B

CN112320798B - Smoldering charcoal activation furnace

Info

Publication number: CN112320798B
Application number: CN201910468353.7A
Authority: CN
Inventors: 喻承庚; 喻先春; 喻先阳
Original assignee: Nanchang Tongli Activated Carbon Co ltd
Current assignee: Nanchang Tongli Activated Carbon Co ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2023-08-29
Anticipated expiration: 2039-05-24
Also published as: CN112320798A

Abstract

The invention relates to powdery activated carbon, in particular to a smoldering activation furnace. A smoldering charcoal activating oven (fig. 1 is a section view in elevation C-C): mainly by furnace wall (1), furnace gate (2), fire door (3), furnace mouth cover (4), burning carbonization chamber (5), striker plate (6), switch (7) of admitting air, carbonization material pond (8), air inlet (9), flue (10), semi-circular lid (11), pond (12), thermometer (13), temperature-measuring tube (14), activation room (15), alms bowl hold (16), activation alms bowl (17), lid (18), branch mouth (19), assembly (20), arch shame (21), interface (22), smoke window (23), switch (24) of giving vent to anger constitute. The novel powdery activated carbon is manufactured by putting crushed carbon into a pot, putting the crushed carbon into an air inlet (9) for burning, enabling the generated carbon to fall into a carbonization material pool (8) for burning, enabling the generated high-temperature flue gas to activate the carbonized material, enabling the activated material to be activated by water vapor, and carrying out the existing screening, acid washing, drying and packaging procedures.

Description

Smoldering charcoal activation furnace

1. Technical field:

the invention relates to powdery activated carbon, in particular to a smoldering activation furnace.

2. The background technology is as follows: at present, a chemical zinc chloride method intermittent activation furnace, a physical steam method multitube activation furnace and a smoldering method smoldering activation furnace are used for producing powdered activated carbon, but the intermittent activation furnace is used, the energy consumption is high, the produced activated carbon has poor filtering performance, the multitube activation furnace is used, the energy consumption is high, the activated carbon for decoloring sugar liquor cannot be produced, the smoldering activation furnace is used, the energy consumption is high, the quality index of the produced activated carbon cannot reach the quality index of the national standard (reference data: 1, non-patent literature data: china name: national standard citation article title of China: GB/T13803.3-1999 activated carbon for decoloring sugar liquor, and the quality index of Table 1 refers to the measurement of the caramel rate of the standard GB/T12496.9-1999 wood activated carbon test method; GB/T13803.4-1999 activated carbon for injection, quality index sketcher of Table 1: shi Yinrui publication date: first edition of Chinese Standard Press publication date: first edition of 2005, page number: 1-4 pages, 1-6 pages, cover page 1, 2 non-patent literature data: national name: article title by chemical industry small commodity production method: first chapter chemical activation method for producing activated carbon by activated carbon production technology, second chapter chemical activation method for producing activated carbon by zinc chloride method, third difference in physical and chemical properties of activated carbon produced by water vapor method and zinc chloride method of Table 4-2, third difference in physical and chemical properties of activated carbon produced by plate furnace method for producing activated carbon by intermittent activation furnace, fifth chapter gas activation method for producing activated carbon by plate furnace method for producing activated carbon, fourth gas activation method for producing activated carbon produced by intermittent activation furnace, and multitube activation furnace for producing powdery activated carbon, 5-9. Multitube activation furnace two, smoldering method fig. 5-11 the quality index of activated carbon in the seventh chapter of the smoldering activation furnace and the quality index of powdered activated carbon of the inspection method (one) were mainly described by the reference materials editors: wu Zhongzhi, gao Shangyu, huang Defeng, chen Huojun publishers: publication date of Hunan science and technology Press: 1992, 3 rd edition, volume No.: tenth set, page number: cover page 3, catalog 1-4 pages 3, page 1, page 66-98 pages 17, page 111-117 pages 4, page 129-140 pages 7, page 176-177 pages 1).

3. The invention comprises the following steps:

a smoldering charcoal activating furnace, which is characterized in that: the furnace mainly comprises 24 parts including a furnace wall (1), a furnace door (2), a furnace mouth (3), a furnace mouth cover (4), a combustion carbonization chamber (5), a striker plate (6), an air inlet switch (7), a carbonization material pool (8), an air inlet (9), a flue (10), a semicircular cover (11), a water pool (12), a thermometer (13), a temperature measuring tube (14), an activation chamber (15), a bowl support (16), an activation bowl (17), a cover (18), a split (19), an assembly (20), an arch cover (21), an interface (22), a smoke window (23) and an air outlet switch (24);

the shape of the furnace is that a carbonization material pool (8) is formed by three furnace walls (1), a semicircular cover (11) is formed by four furnace walls (1) to form a combustion carbonization chamber (5), an activation chamber (15) and a split (19), and the carbonization material pool (8) is connected with the semicircular cover (11); the carbonization material pool (8) is connected with an air inlet switch (7); the air inlet switch (7) is connected with the semicircular cover (11); the air inlet switch (7) is connected with the baffle plate (6); the semicircular cover (11) is connected with the baffle plate (6) to form an air inlet (9), and the semicircular cover (11) is connected with the furnace door (2); the furnace door (2) is connected with the furnace mouth (3); the furnace mouth (3) is connected with the furnace mouth cover (4); the four-sided furnace wall (1) forms a water tank (12), and the semicircular cover (11) is connected with the water tank (12); the semicircular cover (11) is connected with a temperature measuring tube (14); the temperature measuring tube (14) is connected with the thermometer (13); the four-sided furnace wall (1) forms an arch cover (21) to form an assembly (20) and an interface (22), and the semicircular cover (11) is connected with the arch cover (21); the four-side furnace wall (1) forms a smoke window (23), and the arched cover (21) is connected with the smoke window (23); the smoke window (23) is connected with an air outlet switch (24) in a combined way;

the air flue of the furnace consists of 11 parts in total, namely an air inlet switch (7), a carbonization material pool (8), an air inlet (9), a combustion carbonization chamber (5), an activation chamber (15), a flue (10), a split port (19), an assembly (20), an interface (22), a smoke window (23) and an air outlet switch (24);

an activation pot (17) is arranged on a pot support (16) in a part activation chamber (15) of the furnace, and a cover (18) is covered on the activation pot (17).

Compared with the chemical zinc chloride process intermittent activation furnace, the invention uses raw materials which are added with cotton stalk, branch and wood processing leftover materials, and the quality index of the produced active carbon is increased by a filtering performance.

Compared with a physical steam method multitube type activation furnace, the invention uses raw materials which are added with peanut shells, oil tea shells, cotton stalks, wood dust, branches and leftover materials of a wood processing plant. The quality index of the produced active carbon increases a caramel decoloration rate.

Compared with a physical smoldering method, the invention uses raw materials which are added with peanut shells, oil tea shells, cotton stalks, wood chips, branches and leftover materials of a wood processing plant. The structure is added with three parts of a baffle plate 6, a carbonization material pool 8 and a water pool 12, the number of part air inlets 9 is reduced, and the quality index of the produced active carbon is increased by three parts of caramel decoloration rate, methylene blue adsorption capacity and quinine sulfate adsorption capacity. Thereby comprehensively utilizing the heat source and greatly reducing the production cost.

The above is summarized: the invention has rich raw material sources and flexible operation, can greatly save energy sources and greatly reduce production cost. The produced activated carbon has the dual properties of physical activated carbon and chemical activated carbon, and is novel powdery activated carbon.

A novel smoldering charcoal activation furnace is characterized in that: the drawing is a structural diagram of the furnace: FIG. 1 is a cross-sectional view in elevation C-C: the device mainly comprises 24 parts including a furnace wall 1, a furnace door 2, a furnace mouth 3, a furnace mouth cover 4, a combustion carbonization chamber 5, a striker plate 6, an air inlet switch 7, a carbonization material tank 8, an air inlet 9, a flue 10, a semicircular cover 11, a water tank 12, a thermometer 13, a temperature measuring tube 14, an activation chamber 15, a bowl support 16, an activation bowl 17, a cover 18, a split 19, an assembly 20, an arch cover 21, an interface 22, a smoke window 23 and an air outlet switch 24.

FIG. 2 is a sectional view of plane A-B, which mainly comprises 12 parts of a furnace wall 1, a combustion carbonization chamber 5, a baffle plate 6, an air inlet switch 7, a carbonization material pool 8, an air inlet 9, a flue 10, an activation chamber 15, a bowl support 16, a split 19, an assembly 20 and a smoke window 23.

Examples: FIG. 1 is a sectional view of elevation C-C, in which the orientation of the inlet switch 7 and the carbonization tank 8 is A, the orientation of the smoke window 23 and the outlet switch 24 is B, the orientation of the left and right sides of A and B is C-C, in operation, carbonized material crushed to 100 meshes is charged into the activation bowl 17 (the activation bowl 17 has a specification of 24cm long, 12cm wide, 8cm high, 2cm thick at the bottom wall, and is made of refractory clay), the activation bowl 17 is charged onto the bowl holder 16 in the activation chamber 15 (the bowl holder 16 has a specification of 24cm long, 6cm wide, and 6cm high, and is made of refractory material), every 17-25 stacks of activation bowls 17 are covered tightly with the cover 18, each furnace can contain 173360 activation bowls, then, the furnace door 2 is closed, the furnace mouth 3 is left, and the inlet switch 7 and the outlet switch 24 are opened. The raw materials used are peanut shells, oil tea shells, cotton stalks, wood chips, branches and leftover materials of wood processing factories. Then, the raw materials, namely peanut shells, camellia shells, cotton stalks, wood dust, branches and leftover materials of a wood processing plant, are alternatively ignited by fire, the burnt raw materials are put onto an air inlet 9 from a furnace mouth 3 through a baffle plate 6 of a combustion carbonization chamber 5 to be combusted and carbonized (one air inlet 9 is provided with a space with a length of 126cm and a width of 10 cm), carbonized materials generated in the combustion carbonization process fall onto the ground below the air inlet 9, then, the ground carbonized materials are scraped into a carbonized material tank 8 by a tool, namely, a tap water pipe is opened to introduce water into the carbonized material tank 8, water is uniformly sprayed onto the carbonized materials in the carbonized material tank 8 (the carbonized materials in the carbonized material tank 8 are fully discharged and discharged for a plurality of times), flue gas generated in the combustion carbonization process enters a split 19 from a flue 10 at the bottom of the combustion carbonization chamber 5 and an activation chamber 15, and is discharged through an assembly 20 under an arched cover 21, an interface 22, a smoke window 23 and an air outlet switch 24, then the firepower is increased, the temperature is raised within 10 hours, a probe of a temperature meter 13 is inserted into the carbonized material tank 8, water is started by the tool, and the temperature meter 13 is heated, and the temperature meter 13 is used to indicate that the temperature of the left and right is high, namely, the flue gas is activated to the temperature is choked at 1100. After the carbonized material carbonized in the activation pot 17 is activated at the temperature for 14 hours, a tap water tap is closed to pull a water pipe out of the carbonized material tank 8 and put the water pipe into the water tank 12, the furnace mouth 3 is tightly covered by the furnace mouth cover 4, and the air inlet switch 7 and the air outlet switch 24 are closed. Then, the tap water is put into the water tank 12 by opening the tap water, the space of the water tank 12 is 586cm long, 126cm wide and 30cm high, and then the tap water is closed after the water permeates from the semicircular cover 11, namely the furnace wall 1 to the combustion carbonization chamber 5 and the activation chamber 15 to activate the activated material activated by the high-temperature smoke, and the water vapor is activated for 4 hours. Thereafter, the furnace door 2 is opened to discharge the activation material from the activation pot 17 in the activation chamber 15. Then, the novel powdery active carbon with the dual properties of physical active carbon and chemical active carbon is manufactured through the existing procedures of screening, acid washing, drying and finished product packaging.

A novel powdery active carbon is tested by a Jiangxi province analysis test center in 5 months and 15 days of 2000, and has the physical and chemical properties mainly as follows: caramel decolorizing power accords with the first level; methylene blue decolorization power > 10 ml; quinine sulfate adsorption capacity, and is qualified; iodine adsorption value, 891mg/g; calcium magnesium content (in mg 0), 0.20%; total iron content less than 0.02%; chlorine content less than 0.2%; heavy metal (calculated as pb), 0.001%; cyanide, distillate and ferrous sulfate act, and the cyanide is not blue; filtration performance: the filtration rate was 2 times faster than the 781 type activated carbon and the sample filtrate was clear.

The following blank

Remarks: the result is only responsible for the coming sample

Approval: lai Guangsong auditing: jiang Yumei test: shang Ya, etc

Address: nanchang city Beijing Donglu 171 phone: 8334720, post code: 330029

Claims

1. A smoldering charcoal activating furnace, which is characterized in that: the furnace mainly comprises 24 parts including a furnace wall (1), a furnace door (2), a furnace mouth (3), a furnace mouth cover (4), a combustion carbonization chamber (5), a striker plate (6), an air inlet switch (7), a carbonization material pool (8), an air inlet (9), a flue (10), a semicircular cover (11), a water pool (12), a thermometer (13), a temperature measuring tube (14), an activation chamber (15), a bowl support (16), an activation bowl (17), a cover (18), a split (19), an assembly (20), an arch cover (21), an interface (22), a smoke window (23) and an air outlet switch (24);