CN209193891U - A kind of coke oven combustion chamber segmentation gas supply heating device - Google Patents

Abstract

The utility model relates to a kind of coke oven combustion chambers to be segmented gas supply heating device, including coke oven, carbonization chamber is equipped in the coke oven, combustion chamber is equipped between the carbonization chamber, and the carbonization chamber, setting is spaced between combustion chamber, regenerative chamber is equipped with below the carbonization chamber, the regenerative chamber, it is connected between combustion chamber by oblique air pipeline, flue is equipped with below the regenerative chamber, waste gas purification chamber is fixedly connected on the right side of the flue, the top of combustion chamber is fixedly connected with heat preservation channel, flue partition is equipped in the combustion chamber, the bottom of combustion chamber is connected with inlet plenum by admission line, the inlet plenum right end is fixedly connected with oxygen-enriched pipeline, the inlet plenum left end is fixedly connected with meager coal feed channel, by carrying out the uniformity that heating improves carbonization chamber heating to coke oven combustor section gas supply, reduce coke oven combustion The concentration of nitrogen oxides during burning, has effectively purified tail gas, more environmentally-friendly.

Description

A kind of coke oven combustion chamber segmentation gas supply heating device

Technical field

The utility model relates to a kind of coke oven combustion chambers to be segmented gas supply heating device, belong to coke oven for iron field.

Background technique

Coke oven, a kind of stove being usually built by refractory brick and refractory block are used for making coal carbonization to produce coke The kiln of coal refining coke, is the main Thermal Equipment of coking, modern coke oven refer to production metallurgy coke as the main purpose, can be with The horizontal-chamber type coke oven for recycling coking chemistry product, is made of, coking furnace shaft is by furnace roof, combustion chamber and charcoal furnace body and auxiliary device Change the parts such as room, chute area, regenerative chamber, and be connected by flue with chimney, bed rearrangement coke furnace building is in concrete foundation.It is modern Coke oven basic structure is substantially the same, but since the mode of coalingging, heat-supplying mode and the fuel used are not quite similar, and is segmented into perhaps Polymorphic type, the nitrogen oxides in effluent content of coke oven chimney is in 600mg/Nm3-1000mg/Nm3 at present, so, to this portion Divide coke oven to be transformed, is that small capacity coke oven equipment is badly in need of in China to reduce the nitrous oxides concentration in coke oven combustion process It solves the problems, such as.

Utility model content

The technical problems to be solved in the utility model overcomes existing defect, provide a kind of coke oven combustion chamber segmentation gas supply plus Thermal reduces coke oven combustion by carrying out the uniformity that heating improves carbonization chamber heating to coke oven combustor section gas supply The concentration of nitrogen oxides during burning, has effectively purified tail gas, more environmentally-friendly, can effectively solve the problems in background technique.

In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:

A kind of coke oven combustion chamber segmentation gas supply heating device, including coke oven, the coke oven is interior equipped with carbonization chamber, described It is equipped with combustion chamber between carbonization chamber, and is spaced setting between the carbonization chamber, combustion chamber, accumulation of heat is equipped with below the carbonization chamber Room is connected between the regenerative chamber, combustion chamber by oblique air pipeline, and flue, the flue are equipped with below the regenerative chamber Right side is fixedly connected with waste gas purification chamber, and the top of combustion chamber is fixedly connected with heat preservation channel, is equipped in the combustion chamber vertical Quirk partition wall, the bottom of combustion chamber are connected with inlet plenum by admission line, and the inlet plenum right end is fixedly connected with oxygen-enriched Pipeline, the inlet plenum left end are fixedly connected with meager coal feed channel, are equipped with the first lamp cap, the second lamp cap in the admission line, And first lamp cap is arranged on the right side of the second lamp cap, is additionally provided with connecting pipe, and the connecting tube on the left of second lamp cap Road is fixedly connected with oblique air pipeline, and the combustion chamber left and right ends are respectively equipped with the first air pipeline, the second air pipeline, institute It states and is equipped with dust filter screen, UV photodissociation air purifier in waste gas purification room.

Furthermore, the coke oven right end is also fixedly connected with rich gas gas collecting tube.

Furthermore, first air pipeline, be equipped with flowmeter on the second air pipeline.

Furthermore, first lamp cap, the second lamp cap bottom end are connected to inlet plenum bottom, first lamp cap, It is protruded into combustion chamber at the top of two lamp caps.

Furthermore, the height of second lamp cap is greater than the height of the first lamp cap.

Furthermore, the combustion chamber, be equipped with temperature sensor in carbonization chamber.

The utility model passes through the first lamp the utility model has the advantages that a kind of coke oven combustion chamber segmentation gas supply heating device when in use Head, the second lamp cap each leads into air and fuel gas burns in the combustion chamber, is passed into burning for oxygen-enriched by oxygen-enriched pipeline Room bottom improves the efficiency of combustion of bottom of combustion chamber, by the first air pipeline, the second air pipeline respectively from left and right two Direction is passed through air into combustion chamber, and fuel gas burns more uniform in the combustion chamber, improves the equal of carbonization chamber heating Even property can effectively be handled tail gas using the dust filter screen being arranged in tail gas clean-up room and UV photodissociation air purifier, The concentration of nitrogen oxide in tail gas is reduced, overall structure improves carbonization chamber by carrying out heating to coke oven combustor section gas supply The uniformity of heating reduces the concentration of nitrogen oxides in coke oven combustion process, has effectively purified tail gas, more environmentally-friendly.

Detailed description of the invention

Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.

Fig. 1 is a kind of coke oven combustion chamber segmentation gas supply heating device structure chart of the utility model.

Fig. 2 is a kind of coke oven combustion chamber segmentation gas supply heating device chamber structure figure of the utility model.

Fig. 3 is a kind of coke oven combustion chamber segmentation gas supply heating device waste gas purification chamber structure chart of the utility model.

Figure label: 1, coke oven；2, carbonization chamber；3, combustion chamber；4, regenerative chamber；5, oblique air pipeline；6, inlet plenum； 7, flue；8, waste gas purification chamber；9, heat preservation channel；10, flue partition；11, oxygen-enriched pipeline；12, meager coal feed channel；13, Two air pipelines；14, the first air pipeline；15, connecting pipe；16, the first lamp cap；17, the second lamp cap；18, admission line； 19, dust filter screen；20, UV photodissociation air purifier；21, rich gas gas collecting tube.

Specific embodiment

It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.

As shown in Figure 1-3, a kind of coke oven combustion chamber, which is segmented, supplies heating device, including coke oven 1, in the coke oven 1 Equipped with carbonization chamber 2, it is equipped with combustion chamber 3 between the carbonization chamber 2, and is spaced setting between the carbonization chamber 2, combustion chamber 3, it is described Be equipped with regenerative chamber 4 below carbonization chamber 2, for storing heat, improve utilization efficiency of heat energy, the regenerative chamber 4, combustion chamber 3 it Between connected by oblique air pipeline 5, flue 7 is equipped with below the regenerative chamber 4, is fixedly connected with exhaust gas on the right side of the flue 7 Clean room 8, using the dust filter screen 19 that is arranged in tail gas clean-up room 8 and UV photodissociation air purifier 20 can effectively to tail gas into Row processing, reduces the concentration of nitrogen oxide in tail gas, more environmentally-friendly, is fixedly connected with heat preservation channel 9 at the top of the combustion chamber 3, The area of heat preservation channel 9 is less than the area of combustion chamber 3, effectively reduces the contact area at 3 top and wall brick of combustion chamber, reduces Thermal loss, is equipped with flue partition 10 in the combustion chamber 3,3 bottom of combustion chamber by admission line 18 be connected with into Gas chamber 6,6 right end of inlet plenum are fixedly connected with oxygen-enriched pipeline 11, and 6 left end of inlet plenum is fixedly connected with meager coal feed channel 12, the admission line 18 is interior to be equipped with the first lamp cap 16, the second lamp cap 17, and first lamp cap 16 is arranged in the second lamp cap 17 Right side is additionally provided with connecting pipe 15 on the left of second lamp cap 17, and the connecting pipe 15 is fixedly connected with oblique air pipeline 5,3 left and right ends of combustion chamber are respectively equipped with the first air pipeline 14, the second air pipeline 13, pass through the first lamp when in use First 16, second lamp cap 17 each leads into air and fuel gas and burns in combustion chamber 3, is passed through by oxygen-enriched pipeline 11 by oxygen-enriched To 3 bottom of combustion chamber, the efficiency of combustion of 3 bottom of combustion chamber is improved, is divided by the first air pipeline 14, the second air pipeline 13 Air is not passed through into combustion chamber 3 from left and right both direction, fuel gas burns more uniform in combustion chamber 3, improves The uniformity that carbonization chamber 2 heats, the waste gas purification chamber 8 is interior to be equipped with dust filter screen 19, UV photodissociation air purifier 20.

More specifically, 1 right end of coke oven is also fixedly connected with rich gas gas collecting tube 21, for collecting coal gas, institute It states the first air pipeline 14, be equipped with flowmeter on the second air pipeline 13, first lamp cap 16,17 bottom end of the second lamp cap connect It connects in 6 bottom of inlet plenum, first lamp cap 16,17 top of the second lamp cap are protruded into combustion chamber 3, second lamp cap 17 Height is greater than the height of the first lamp cap 16, forms air-flow, is convenient for full combustion of gas, is all provided in the combustion chamber 3, carbonization chamber 2 There is temperature sensor.

Utility model works principle: a kind of coke oven combustion chamber segmentation gas supply heating device passes through the first lamp when in use First 16, second lamp cap 17 each leads into air and fuel gas and burns in combustion chamber 3, is passed through by oxygen-enriched pipeline 11 by oxygen-enriched To 3 bottom of combustion chamber, the efficiency of combustion of 3 bottom of combustion chamber is improved, is divided by the first air pipeline 14, the second air pipeline 13 Air is not passed through into combustion chamber 3 from left and right both direction, fuel gas burns more uniform in combustion chamber 3, improves The uniformity that carbonization chamber 2 heats, can be with using the dust filter screen 19 that is arranged in tail gas clean-up room 8 and UV photodissociation air purifier 20 Effectively tail gas is handled, reduces the concentration of nitrogen oxide in tail gas, overall structure is by supplying coke oven combustor section The uniformity that heating improves the heating of carbonization chamber 2 is carried out, the concentration of nitrogen oxides in coke oven combustion process is reduced, is effectively purified Tail gas, it is more environmentally-friendly.

The above are the preferable embodiment of the utility model, the utility model those skilled in the art can also be to upper It states embodiment to change and modify, therefore, the utility model is not limited to above-mentioned specific embodiment, all abilities Field technique personnel made any conspicuous improvement, replacement or modification on the basis of the utility model belong to practical Novel protection scope.

Claims (6)

1. a kind of coke oven combustion chamber segmentation gas supply heating device, including coke oven (1), it is characterised in that: in the coke oven (1) Equipped with carbonization chamber (2), between the carbonization chamber (2) be equipped with combustion chamber (3), and between the carbonization chamber (2), combustion chamber (3) between Regenerative chamber (4) are equipped with below setting, the carbonization chamber (2), pass through oblique air between the regenerative chamber (4), combustion chamber (3) Pipeline (5) connection, regenerative chamber (4) lower section are equipped with flue (7), are fixedly connected with waste gas purification chamber on the right side of the flue (7) (8), it is fixedly connected with heat preservation channel (9) at the top of the combustion chamber (3), is equipped with flue partition (10) in the combustion chamber (3), Combustion chamber (3) bottom is connected with inlet plenum (6) by admission line (18), and inlet plenum (6) right end is fixedly connected with Oxygen-enriched pipeline (11), inlet plenum (6) left end are fixedly connected with meager coal feed channel (12), are equipped in the admission line (18) First lamp cap (16), the second lamp cap (17), and first lamp cap (16) setting is in the second lamp cap (17) right side, second lamp It is additionally provided with connecting pipe (15) on the left of head (17), and the connecting pipe (15) is fixedly connected with oblique air pipeline (5), the combustion It burns room (3) left and right ends and is respectively equipped with the first air pipeline (14), the second air pipeline (13), the waste gas purification chamber (8) is interior Equipped with dust filter screen (19), UV photodissociation air purifier (20).

2. a kind of coke oven combustion chamber segmentation gas supply heating device according to claim 1, it is characterised in that: the coke oven (1) right end is also fixedly connected with rich gas gas collecting tube (21).

3. a kind of coke oven combustion chamber segmentation gas supply heating device according to claim 1, it is characterised in that: described first is empty Feed channel (14), the second air pipeline are equipped with flowmeter on (13).

4. a kind of coke oven combustion chamber segmentation gas supply heating device according to claim 1, it is characterised in that: first lamp Head (16), the second lamp cap (17) bottom end are connected to inlet plenum (6) bottom, first lamp cap (16), the second lamp cap (17) top It protrudes into combustion chamber (3).

5. a kind of coke oven combustion chamber segmentation gas supply heating device according to claim 1, it is characterised in that: second lamp The height of head (17) is greater than the height of the first lamp cap (16).

6. a kind of coke oven combustion chamber segmentation gas supply heating device according to claim 1, it is characterised in that: the combustion chamber (3), temperature sensor is equipped in carbonization chamber (2).