CN110926885B

CN110926885B - Blast furnace tuyere with wind taking and conveying machine and taking and conveying method

Info

Publication number: CN110926885B
Application number: CN201911131995.4A
Authority: CN
Inventors: 宗宁枫; 宗品禾
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-31
Filing date: 2019-11-19
Publication date: 2023-05-23
Anticipated expiration: 2039-11-19
Also published as: CN110926885A; CN110361235A

Abstract

The invention relates to a real-time wind-carrying fetching and delivering device and a fetching and delivering method for a blast furnace tuyere in a metallurgical iron making process, and belongs to the technical field of machinery. The structure of the invention comprises a track, a chassis travelling mechanism, a front chain seat, a rear chain seat, a frame and a windy taking and delivering system, wherein a temperature measuring display is arranged on the chassis, the bottom of the frame is fixed on the chassis, the top of the frame is provided with a guide rail mechanism which is parallel to the track and is used for guiding the windy taking and delivering system to displace, the windy taking and delivering system comprises a taking and delivering pipe which can displace in the guide rail mechanism, the tail end of the taking and delivering pipe is connected with a sample tank or a feeding tank through a control valve, and the top end of the taking and delivering pipe enters a blast furnace tuyere small sleeve through a smelting furnace measuring controller and a belly pipe. The invention has the beneficial effects that: the method fully realizes real-time analysis of solid, gas and temperature in the blast furnace in the production process of the blast furnace, fully realizes air blocking, air opening and material spraying in the blast furnace, achieves the purposes of saving energy and increasing yield, improves the production efficiency of the blast furnace, reduces the cost, fills the domestic technical blank, and reaches the world advanced level.

Description

Blast furnace tuyere with wind taking and conveying machine and taking and conveying method

Technical Field

The invention relates to a method for taking air in a blast furnace tuyere in real time in a metallurgical iron making process

The utility model provides a delivery device and a delivery method, in particular to a blast furnace tuyere belt air delivery machine and a delivery method, which belong to the technical field of machinery.

Background

At present, when the blast furnace is in normal production, sampling, assaying and analyzing in the furnace cannot be performed, and the existing blast furnace tuyere sampling device cannot effectively control the high temperature of 2500 ℃ in the blast furnace to be 4-6kg/cm ² The pressurized gas and the furnace burden are sprayed outwards, and the gas and the furnace burden can only be sampled during damping down, so that the sample cannot completely reflect the condition in the furnace. Applicant 2016.07.18 applicationPlease refer to a "measurement controller and measurement control method for a furnace", patent No. 201610567496.X, which provides a measurement controller for real-time production, which can prevent leakage of sampled high temperature gas and solve the safety problem of real-time sampling. When the existing blast furnace is used for sampling, one tuyere can only take one sample and cannot measure the actual temperature in the furnace, aiming at the current difficulty, the electromechanical device for safely sampling in the furnace and actually measuring the high temperature in the furnace is urgently needed during the production of the blast furnace, and the production efficiency of the blast furnace is improved. In addition, when the blast furnace is in production with wind, when the condition of the blast furnace is bad, the small sleeve of the wind gap is required to be fed so as to block the wind gap, and the wind gap can only be blocked by stopping the production of the blast furnace at present, so that the production efficiency of the blast furnace can be improved only by feeding the wind gap to block the wind gap and opening the wind gap under the condition that the blast furnace is not stopped. In the production of blast furnaces, in order to prolong the service life of the blast furnaces, special powder needs to be sprayed into the furnaces, and a mechanical device capable of spraying the powder to furnace mouths in the production is urgently needed. Aiming at the actual condition of the prior blast furnace, a blast furnace tuyere belt air taking and conveying machine which is simple and safe to operate is urgently needed.

Disclosure of Invention

Aiming at the defects of the existing blast furnace sampling technology, the invention provides a blast furnace tuyere belt air taking and conveying machine which can safely take out solid and gas in a blast furnace during production, truly reflect the actual situation in the furnace, simultaneously can measure the temperature in the furnace, can feed and block an air opening, can spray fine materials into the furnace, and further provides a taking and conveying method.

The invention solves the technical problems through the following technical scheme: the utility model provides a blast furnace tuyere takes wind to get and send machine, is located in the track, through motor drive's chassis running gear, settle the track both ends, be used for realizing through the chain is connected the preceding, back chain seat of chassis running gear displacement, settle frame and the wind of taking on the chassis running gear send the system, the chassis divide into crawler-type chassis and four-wheel chassis, settle the temperature measurement display on the chassis, the frame bottom is fixed on the chassis, the frame top be equipped with the track is parallel, be used for guiding the guide rail mechanism that takes the system displacement of taking the wind to send, take the wind to get and send the system to contain the delivery pipe that can displace in guide rail mechanism, the end of taking the delivery pipe is connected sample jar or feed tank through the control valve, the top of taking the delivery pipe gets into in the blast furnace tuyere sleeve through smelting pot measurement controller and belly pipe.

The system comprises a dry material feeding system, a thin wet material feeding system, a fine powder material feeding system, a gas and solid sampling system, wherein the feeding pipe is divided into a sampling pipe and a feeding pipe, the end part of the sampling pipe is provided with a temperature measuring probe, the temperature measuring probe is electrically connected with a signal wire for a temperature measuring display, the tail end of the sampling pipe is connected with a sample tank, under the action of a control valve, the end part of the sampling pipe enters a furnace, the valve is opened, the materials in the furnace enter the sampling pipe under the action of the internal pressure of the furnace, the feeding pipe is divided into a material conveying source, a thin wet material conveying source and a fine powder conveying source according to purposes, when the dry material is conveyed, the tail end of the feeding pipe is connected with a material source and a pushing rod driven by an oil cylinder and a piston, the head part of the feeding pipe is provided with a plug, the control valve enables the feeding pipe to enter the front end part of an air inlet small sleeve, and the oil cylinder at the tail end of the feeding pipe drives the feeding rod to push raw materials into the front end of the air inlet; when the dilute wet material is conveyed, the tail end of the feeding pipe is connected with a source, the head of the feeding pipe is provided with a plug, the feeding pipe is enabled to enter the front end part of the tuyere small sleeve by the control valve, and the dilute wet material enters the front end of the tuyere small sleeve under the pressure of high-pressure gas; when the fine powder is conveyed, the tail end of the feeding pipe is connected with the fine powder raw material, the head of the feeding pipe enters the furnace under the action of the control valve, and the wind drives the fine powder to be sprayed into the furnace under the action of high-pressure gas.

Still further, the sampling tube is a circular high temperature resistant tube with inner cavity water cooling, and the sampling tube is provided with a water inlet cavity connected with high pressure cooling water and a water outlet cavity connected with the outside. During sampling, the air taking and conveying system is divided into a side sampling system, a gas sampling system and a solid sampling system. The side sampling system consists of a belly pipe with an inclined socket, a special tuyere small sleeve arranged at a tuyere of a blast furnace and matched with the belly pipe with the inclined socket, and a sampling pipe capable of being inserted into the inclined socket, wherein an included angle is formed between the central line of the sampling pipe and the central line of the belly pipe. The front end of a sampling tube of the gas sampling system is provided with a high-temperature-resistant gas guide head, and the tail end of the sampling tube is connected with a sample tank through a high-temperature-resistant valve. And the tail end of a sampling tube of the solid sampling system is connected with a sample tank through a high-temperature-resistant valve.

The invention further provides a method for taking and conveying the blast furnace tuyere with the air taking and conveying machine, which comprises the following steps of: the method comprises the steps that high-pressure cooling water is communicated in a sampling pipe, a motor drives a crawler chassis travelling mechanism to move in a track towards a tuyere close to a blast furnace to be detected, the sampling pipe is driven to enter a smelting furnace measuring controller along a guide rail mechanism, a sealing gas valve is opened, the gas pressure of normal-temperature high-pressure gas in the smelting furnace measuring controller is kept to be larger than that in the furnace, the sampling pipe continues to move along the guide rail mechanism to enter a belly pipe, the sampling pipe passes through a tuyere small sleeve to enter the furnace, a control valve is opened, and a sample in the furnace enters a sample tank through the sampling pipe under the action of the pressure in the furnace; meanwhile, the temperature measuring head of the sampling tube transmits the temperature in the furnace to the display through a signal wire, after sampling, the operation control system drives the sampling tube to retract to the furnace measuring controller along the guide rail mechanism, the valve of the furnace measuring controller is closed, the sampling tube returns to the original position, then the high-pressure cooling water is closed, the end cover of the furnace measuring controller is closed, and the sampling is finished; the smelting furnace controller is installed on the flange of the inclined socket of the belly pipe, samples of two air openings are taken from one air opening, and temperature parameters are recorded at the same time.

In the method, when the side sampling is needed, the original belly pipe and the tuyere small sleeve are replaced by the belly pipe with the inclined socket and the special tuyere small sleeve matched with the belly pipe, and the central line of the inclined socket and the central line of the special tuyere small sleeve are in the same straight line; the smelting furnace controller is installed on the flange of the inclined socket of the belly pipe, samples of two air openings are taken from one air opening, and temperature parameters are recorded at the same time. The design of the inclined socket can obtain samples in the air port and the side air port through one air port, and detect the temperature at the same time, so that one air port can obtain two air port samples and the temperature.

The feeding process comprises the following steps: moving a blast furnace tuyere with an air taking and conveying machine to a required feeding tuyere, changing corresponding feeding pipes according to different fed materials, changing a dry material feeding system when conveying dry materials, loading the dry materials into the feeding pipes, loading a plug at the front end, connecting hydraulic power and a pushing rod, closing a main control valve of a smelting furnace controller, opening a controller end cover, enabling a feeding pipe head to enter the controller under the action of the control system, opening a high-pressure control gas valve, opening the main control valve of the smelting furnace controller, enabling the feeding pipes to enter a tuyere small sleeve under the action of the control system through a belly pipe, and enabling high-pressure high-temperature gas in the furnace to be sealed in the furnace under the action of the pressure of the high-pressure control gas, so that safe feeding is realized, and when the feeding pipe head enters the front end of the tuyere small sleeve, controlling a hydraulic cylinder to push the pushing rod, enabling the dry materials to enter the front end of the tuyere small sleeve to plug the tuyere under the action of the pushing rod, and completing feeding and tuyere blocking;

when dilute wet materials are fed, a dilute wet material feeding system is replaced, dilute wet materials are fed into a feed box, a feeding pipe is provided with a plug, a high-pressure gas valve is connected, a main control valve of a smelting furnace controller is closed, a controller end cover is opened, a feeding pipe head enters the controller under the action of the control system, the high-pressure gas valve is opened, the main control valve of the smelting furnace controller is opened, the feeding pipe enters an air port small sleeve through a belly pipe under the action of the control system, high-pressure high-temperature gas in the furnace is sealed in the furnace under the action of the pressure of the high-pressure gas, safe feeding is realized, when the head part of the feeding pipe reaches the front end of the air port small sleeve, the feeding high-pressure gas valve is opened, the dilute wet materials are sprayed to the front end of the air port small sleeve under the action of the high-pressure gas, the radial small holes at the front end of the feeding pipe are outwards sprayed to block the air port, and feeding and air port blocking are completed;

when the fine powder is conveyed, the fine powder is mineral powder, a powder spraying and feeding system is replaced, the fine powder is filled into a material box, a high-pressure gas valve is connected, a main control valve of a smelting furnace controller is closed, a controller end cover is opened, a spray pipe head enters the controller under the action of a control system, the high-pressure control gas valve is opened, the main control valve of the smelting furnace controller is opened, a spray pipe enters the furnace through a small sleeve of a blast pipe air port under the action of the control system, high-pressure high-temperature gas in the furnace is sealed in the furnace under the pressure of the high-pressure control gas, safe spraying is realized, when the spray pipe head enters the position of the furnace, the high-pressure spray gas valve is opened, and under the siphon action of air flow, the fine powder and the high-pressure gas are mixed together to enter the furnace through the spray pipe, so that spraying is completed.

The invention has the beneficial effects that: the method fully realizes real-time analysis of solid, gas and temperature in the blast furnace in the production process of the blast furnace, fully realizes air blocking, air opening and material spraying in the blast furnace, achieves the purposes of saving energy and increasing yield, improves the production efficiency of the blast furnace, reduces the cost, fills the domestic technical blank, and reaches the world advanced level.

Drawings

FIG. 1 is a schematic diagram of a blast furnace tuyere zone air-fed lean wet material structure.

FIG. 2 is a schematic diagram of a blast furnace tuyere zone air-fed dry material structure.

FIG. 3 is a schematic diagram of a blast furnace tuyere zone wind sampling structure.

FIG. 4 is a schematic diagram of a blast furnace tuyere zone wind spray structure.

FIG. 5 is a schematic diagram of a blast furnace tuyere side sampling structure with wind.

FIG. 6 is a schematic view of a side sampling belly pipe and sampling pipe.

FIG. 7 is a schematic diagram of a sampling tube and temperature measurement system.

FIG. 8 is a schematic diagram of a sampling system.

Fig. 9 is a schematic view of a crawler chassis.

FIG. 10 is a schematic diagram of a lean wet feed system.

FIG. 11 is a schematic diagram of a dry material delivery system.

Fig. 12 is a schematic diagram of a fine powder spraying system.

Fig. 13 is a schematic view of the M-M section of fig. 12.

The above figures refer to 1, tuyere small sleeve, 2, face tuyere small sleeve, 3, blowpipe, 4, front and rear chain seat, 5, lean wet pipe, 5a, sampling pipe, 5b, dry pipe, 5c, spray pipe, 6, four-wheel chassis, 7, storage tank, 8, valve, 9, furnace measuring controller, 10, rail, 11, guide rail mechanism, 12, control cabinet with temperature display, 13, temperature measuring head, 14, spray pipe front end plug, 15, power oil tank, 16, high pressure gas interface, 17, measuring controller operating valve, 18, furnace measuring controller valve end cover, 19, remote controller, 20, side sampling center line, 21, tuyere center line, 22, lean wet pipe, 28, high pressure gas valve, 29, 30, power pump, 31, push rod, 32, control valve, 33, 34, spray pipe, 35, high pressure gas valve, 35, spray pipe, high pressure gas pipe, 35, spray pipe, air pipe, 9, spray pipe, air pipe, and feed pipe, 35, air pipe, 35, spray pipe, and air pipe.

Detailed Description

Example 1

The structure of the embodiment is shown in fig. 3, 7-9, the structure of the blast furnace tuyere with wind taking and conveying machine comprises a track 10, a chassis travelling mechanism which is arranged in the track 10 and driven by a motor, a front chain seat 4 and a rear chain seat 4 which are arranged at two ends of the track 10 and connected by chains and used for realizing the displacement of the chassis travelling mechanism, a frame and a wind taking and conveying system which are arranged on the chassis travelling mechanism, wherein the chassis is a four-wheel chassis 6 or a crawler-type chassis 40, a control cabinet 12 with a temperature display is arranged on the chassis, the bottom of the frame is fixed on the chassis, a guide rail mechanism 11 which is parallel to the track 10 and used for guiding the displacement of the wind taking and conveying system is arranged at the top of the frame, the wind taking and conveying system comprises a sampling tube 5a which can be displaced in the guide rail mechanism, the tail end of the sampling tube 5a is connected with a sample pot 7 through a control valve 8, the top end of the sampling tube 5a can penetrate through the guide rail mechanism 11 to enter the blast furnace tuyere through a furnace measuring controller 9 and a direct blowing tube 3, a temperature measuring probe 13 on the sampling tube 5a is electrically connected with the temperature measuring display 12, the sampling tube 5a is a high-temperature resistant tube with a circular water cooling cavity, and a water cooling cavity 24 is connected with the water inlet cavity through a high-pressure cooling cavity 24. The furnace metering controller 9 contains a high pressure seal gas port 16, a furnace metering controller operating valve 17 and a furnace metering controller end cap 18.

When sampling with wind, high-pressure cooling water is connected, a power motor drives wheels or caterpillar tracks of a chassis to move back and forth on a track 10, a sampling tube reaches a designated position, a furnace measuring controller end cover 18 is opened, a sampling tube head enters a furnace measuring controller 9, a high-pressure sealing gas interface 16 is opened, the gas pressure of normal-temperature high-pressure gas is larger than the gas pressure in a furnace and enters a sealing cavity of the furnace measuring controller to generate a high-pressure sealing belt, a valve 17 is opened, the sampling tube enters a belly pipe 3 and a tuyere small sleeve 1 along a guide rail mechanism 11, the valve 8 is opened, and the high-temperature high-pressure gas in the furnace enters a sample tank through the sampling tube, so that the purpose of taking the gas in the furnace is achieved.

Meanwhile, a temperature measuring head 13 at the head part of the sampling tube 5 measures a high-temperature signal, and the high-temperature signal is transmitted to a temperature measuring display 12 through an electric wire to display the temperature in the furnace.

The gas guide head 42 is taken off from the head of the sampling tube, the operation is repeated, and the furnace burden enters the front half part of the sampling tube under the action of thrust and pressure, so that the purpose of taking out the solid in the furnace is achieved.

After sampling, the sampling tube 5a is withdrawn from the furnace through the guide rail mechanism 11, when the end head reaches the high-pressure sealing cavity of the melting furnace measuring controller 9, the valve 17 is closed, so that the high-temperature high-pressure gas in the furnace cannot come out, the sampling tube is withdrawn to the original position, the high-pressure air port 16 is closed, the end cover 18 of the melting furnace measuring controller 9 is closed, and the sampling is completed. In the whole sampling process, the high-pressure cooling water is always in a working state until the sampling is finished. The above sampling is the original sampling, which can take solid or gas and detect the temperature in real time.

Example two

The embodiment is a side sampling, and the other structures are the same as those of the first embodiment except that the belly pipe structure is different, and will not be described again.

The blast furnace tuyere-winded sampling embodiment of the side tuyere is shown in fig. 5 and 6: the side of the sampling belly pipe 3 is provided with a sampling port, the central line of the sampling tuyere small sleeve 1 and the central line of the sampling port on the side of the belly pipe 3 are on the same straight line and are called as side sampling central lines 20, the side sampling central lines 20 and the belly pipe central lines 21 form an included angle alpha, and the smelting furnace controller 9 is arranged on a flange of the sampling port on the side of the belly pipe 3.

The center line of the motion track of the side blast furnace tuyere belt wind taking and delivering machine is consistent with the side sampling center line 20, the side tuyere small sleeve 2 contains a coal injection gun, the sampling tube 5a extends into the blast furnace from the tuyere small sleeve 1, and a sample in a swirling zone along the coal injection center line 22 of the side tuyere small sleeve 2 towards the extending end in the furnace can be taken out. The sampling is the side sampling, the sampling of two tuyere points can be completed by one-time sampling, and the temperature is detected in real time, so that the purpose of simplifying the sampling points is achieved.

Example III

The structure of the embodiment is shown in fig. 1, 9 and 10, the structure of the blast furnace tuyere wind taking and conveying machine comprises a track 10, a chassis travelling mechanism which is arranged in the track 10 and driven by a motor, a front chain seat 4 and a rear chain seat 4 which are arranged at two ends of the track 10 and connected by chains and used for realizing the displacement of the chassis travelling mechanism, a frame and a feeding system which are arranged on the chassis travelling mechanism, wherein the chassis is a four-wheel chassis 6 or a crawler-type chassis 40, a control cabinet 12 with a temperature display is arranged on the chassis, the bottom of the frame is fixed on the chassis, a guide rail mechanism 11 which is parallel to the track 10 and used for guiding the displacement of the wind feeding system is arranged at the top of the frame, the wind feeding system comprises a feeding pipe 5 which can be displaced in the guide rail mechanism, the end of the feeding pipe 5 is connected with a thin wet charging tank 27, a plug 14 can pass through the guide rail mechanism 11 and reach the front end of a tuyere small sleeve 1 by a furnace control measurement controller 9 and the straight blowing pipe 3, the feeding pipe 5 is a high-pressure cooling water cavity 23 and an external water outlet cavity 24 is connected with the feeding pipe 5. When dilute wet materials are fed, a dilute wet material feeding system is replaced, the dilute wet materials are filled into a feed box 27, a high-pressure gas valve 28 is connected, a main control valve 17 of a smelting furnace controller is closed, a controller end cover 18 is opened, a feeding pipe head enters a controller 9 under the action of the control system, the high-pressure control gas valve is opened, the main control valve 17 of the smelting furnace controller is opened, a feeding pipe enters a tuyere small sleeve 1 through a belly pipe under the action of the control system, high-pressure high-temperature gas in the furnace is sealed in the furnace under the action of the pressure of the high-pressure control gas, safe feeding is realized, when the head of the feeding pipe reaches the front end of the tuyere small sleeve, the high-pressure gas valve 28 is opened, the dilute wet materials are sprayed to the front end of the tuyere small sleeve under the action of the high-pressure gas, and the dilute wet materials are sprayed outwards from radial small holes at the front end of the feeding pipe to block the tuyere; and feeding and blocking the air inlet are completed completely.

Example IV

The structure of this embodiment is shown in fig. 2 and 11, the structure of the blast furnace tuyere wind-carrying machine comprises a track 10, a chassis travelling mechanism which is arranged in the track 10 and is driven by a motor, a front chain seat 4 and a rear chain seat 4 which are arranged at two ends of the track 10 and are connected by chains and are used for realizing the displacement of the chassis travelling mechanism, a frame and a feeding system which are arranged on the chassis travelling mechanism, the chassis is a four-wheel chassis 6 or a crawler-type chassis 40, a control cabinet 12 with a temperature display is arranged on the chassis, the bottom of the frame is fixed on the chassis, a guide rail mechanism 11 which is parallel to the track 10 and is used for guiding the displacement of the wind-carrying feeding system is arranged at the top of the frame, the wind-carrying feeding system comprises a feeding pipe 5b which can be displaced in the guide rail mechanism, the tail end of the feeding pipe 5b is connected with a pushing rod 31 and an oil cylinder 32, the top end cap 14 of the feeding pipe 5b can pass through the guide rail mechanism 11 to reach the front end of a tuyere small sleeve 1 by a furnace control measurement controller 9 and a direct blowing pipe 3, the feeding pipe 5b is a high-temperature resistant pipe which is a round water-cooled with an inner cavity, and an outer water outlet cavity 24 which is connected with the high-pressure cooling cavity 23 is arranged on the feeding pipe 5b.

When dry materials are conveyed, a dry material feeding system is replaced, the dry materials are filled into a feeding pipe, a hydraulic oil cylinder 32 and a pushing rod 31 are connected, a main control valve 17 of a smelting furnace controller 9 is closed, a controller end cover 18 is opened, a feeding pipe head enters the controller 9 under the action of the control system, a high-pressure control gas valve is opened, the main control valve of the smelting furnace controller is opened, the feeding pipe enters a tuyere small sleeve 1 through a belly pipe under the action of the control system, high-pressure high-temperature gas in the furnace is sealed in the furnace under the action of the pressure of the high-pressure control gas, safe feeding is realized, when the feeding pipe head enters the front end of the tuyere small sleeve, the hydraulic oil cylinder 32 is controlled to push the pushing rod 31, the dry materials enter the front end of the tuyere small sleeve to block a tuyere under the action of the pushing rod, a feeding pipe is not filled with filler by adopting the same operation method, a feeding pipe front end plug 14 is installed at the end of the feeding pipe 5b, and the blocked tuyere is opened under the action of the power.

Example five

The structure of this embodiment is shown in fig. 4, 12 and 13, the structure of the blast furnace tuyere with wind taking and delivering machine comprises a track 10, a chassis running mechanism which is arranged in the track 10 and driven by a motor, a front chain seat 4 and a rear chain seat 4 which are arranged at two ends of the track 10 and connected by chains and used for realizing the displacement of the chassis running mechanism, a frame and a feeding system which are arranged on the chassis running mechanism, the chassis is a four-wheel chassis 6 or a crawler-type chassis 40, a control cabinet 12 with a temperature display is arranged on the chassis, the bottom of the frame is fixed on the chassis, a guide rail mechanism 11 which is parallel to the track 10 and used for guiding the displacement of the wind feeding system is arranged at the top of the frame, the wind feeding system comprises a feeding pipe 5c which can be displaced in the guide rail mechanism, the tail end of the feeding pipe 5c is connected with a fine powder feeder 35, the top end of the feeding pipe 5c can pass through the guide rail mechanism 11 and reach the front end of a tuyere small sleeve 1 by a furnace control measurement controller 9 and a direct blowing pipe 3, the feeding pipe 5c is a high-pressure cooling water cavity 23 and an external water outlet cavity 24 is connected with the high-pressure cooling water cavity through the feeding pipe 5c.

When the fine powder is conveyed, the fine powder is mineral powder, a powder spraying and feeding system is replaced, the fine powder is filled into a feed box of a feeder 35, a high-pressure gas valve 36 is connected, a main control valve 17 of a smelting furnace controller is closed, a controller end cover 18 is opened, a spraying pipe head enters the controller 9 under the action of the control system, the high-pressure control gas valve is opened, the main control valve 17 of the smelting furnace controller is opened, a spraying pipe enters the furnace through a small sleeve of a belly pipe air opening under the action of the control system, high-pressure high-temperature gas in the furnace is sealed in the furnace under the action of the pressure of the high-pressure control gas, safe spraying is realized, when the spraying pipe head enters the position of the furnace, the high-pressure gas valve 36 is opened, the fine powder and the high-pressure gas are mixed together to enter the furnace through the spraying pipe under the siphon action of the air flow, and meanwhile, an oxygen cavity 39 of the spraying pipe 34 is communicated to enable the high-temperature combustion-supporting to be generated.

In addition to the above embodiments, the invention may be implemented in other ways, such as placing a signal probe on the device, controlling the whole pick-up and delivery machine via a remote control 19. All technical schemes formed by equivalent substitution or equivalent transformation fall within the protection scope of the invention.

Claims

1. The blast furnace tuyere belt wind gets machine of delivering, its characterized in that: the device comprises a track, a chassis running mechanism which is positioned in the track and driven by a motor, a front chain seat and a rear chain seat which are arranged at two ends of the track and connected by a chain and used for realizing the displacement of the chassis running mechanism, a frame which is arranged on the chassis running mechanism, and a pneumatic taking and conveying system, wherein the chassis is divided into a crawler chassis and a four-wheel chassis, a temperature measuring display is arranged on the chassis, the bottom of the frame is fixed on the chassis, a guide rail mechanism which is parallel to the track and used for guiding the displacement of the pneumatic taking and conveying system is arranged at the top of the frame, the pneumatic taking and conveying system comprises a taking and conveying pipe which can displace in the guide rail mechanism, the tail end of the taking and conveying pipe is connected with a sample tank or a conveying tank by a control valve, and the top end of the taking and conveying pipe enters a blast furnace tuyere small sleeve by a furnace measuring controller and a belly pipe; the system comprises a dry material feeding system, a thin wet material feeding system, a fine powder material feeding system, a gas and solid sampling system, wherein the feeding pipe is divided into a sampling pipe and a feeding pipe, the end part of the sampling pipe is provided with a temperature measuring probe, the temperature measuring probe is electrically connected with a signal wire for a temperature measuring display, the tail end of the sampling pipe is connected with a sample tank, the end part of the sampling pipe enters a furnace under the action of a control valve, the valve is opened, materials in the furnace enter the sampling pipe under the action of the furnace pressure, the feeding pipe is divided into a dry material conveying mode, a thin wet material conveying mode and a fine powder conveying mode according to purposes, when the dry material is conveyed, the tail end of the feeding pipe is connected with a source and a pushing rod driven by an oil cylinder and a piston, the head part of the feeding pipe is provided with a plug, the control valve enables the feeding pipe to enter the front end part of an air port small sleeve, and the oil cylinder at the tail end of the feeding pipe drives the feeding rod to push raw materials into the front end of the air port; when the dilute wet material is conveyed, the tail end of the feeding pipe is connected with a source, the head of the feeding pipe is provided with a plug, the feeding pipe is enabled to enter the front end part of the tuyere small sleeve by the control valve, and the dilute wet material enters the front end of the tuyere small sleeve under the pressure of high-pressure gas; when the fine powder is conveyed, the tail end of the feeding pipe is connected with the fine powder raw material, the head of the feeding pipe enters the furnace under the action of the control valve, and the wind drives the fine powder to be sprayed into the furnace under the action of high-pressure gas.

2. The blast furnace tuyere belt wind extracting and conveying machine according to claim 1, wherein: the sampling tube is a round high-temperature resistant tube with inner cavity water cooling, and a water inlet cavity connected with high-pressure cooling water and a water outlet cavity connected with the outside are arranged on the sampling tube.

3. The blast furnace tuyere belt wind extracting and conveying machine according to claim 1, wherein: during sampling, the sampling system with wind is divided into a side sampling system, a gas sampling system and a solid sampling system.

4. A tuyere zone wind conveyor for a blast furnace according to claim 3, wherein: the side sampling system consists of a belly pipe with an inclined socket, a special tuyere small sleeve arranged at a tuyere of a blast furnace and matched with the belly pipe with the inclined socket, and a sampling pipe capable of being inserted into the inclined socket, wherein an included angle is formed between the central line of the sampling pipe and the central line of the belly pipe.

5. A tuyere zone wind conveyor for a blast furnace according to claim 3, wherein: the front end of a sampling tube of the gas sampling system is provided with a high-temperature-resistant gas guide head, and the tail end of the sampling tube is connected with a sample tank through a high-temperature-resistant valve.

6. A tuyere zone wind conveyor for a blast furnace according to claim 3, wherein: and the tail end of a sampling tube of the solid sampling system is connected with a sample tank through a high-temperature-resistant valve.

7. The method for taking out the tuyere belt wind taking out and taking out machine for a blast furnace according to claim 1, wherein the steps of: the method comprises the steps that high-pressure cooling water is communicated in a sampling pipe, a motor drives a crawler chassis travelling mechanism to move in a track towards a tuyere close to a blast furnace to be detected, the sampling pipe is driven to enter a smelting furnace measuring controller along a guide rail mechanism, a sealing gas valve is opened, the gas pressure of normal-temperature high-pressure gas in the smelting furnace measuring controller is kept to be larger than the gas pressure in the furnace, the sampling pipe continues to move along the guide rail mechanism to enter a belly pipe, enters the furnace through a tuyere small sleeve, and opens a control valve, so that a sample in the furnace enters a sample tank through the sampling pipe; meanwhile, the temperature measuring head of the sampling tube transmits the temperature in the furnace to the display through a signal wire, after sampling, the operation control system drives the sampling tube to retract to the furnace measuring controller along the guide rail mechanism, the valve of the furnace measuring controller is closed, the sampling tube returns to the original position, then the high-pressure cooling water is closed, the end cover of the furnace measuring controller is closed, and the sampling is finished; the smelting furnace controller is installed on the flange of the inclined socket of the belly pipe, samples of two air openings are taken from one air opening, and temperature parameters are recorded at the same time.

8. The method for feeding the blast furnace tuyere belt air feeder according to claim 1, comprising the steps of: moving a blast furnace tuyere with an air taking and conveying machine to a required feeding tuyere, changing corresponding feeding pipes according to different feeding materials, installing a front end plug, changing a dry material feeding system when conveying dry materials, installing the dry materials into the feeding pipes, connecting hydraulic power and a pushing rod, closing a main control valve of a smelting furnace controller, opening a controller end cover, enabling a feeding pipe head to enter the controller under the action of the control system, opening a high-pressure control gas valve, opening the main control valve of the smelting furnace controller, enabling the feeding pipes to enter a tuyere small sleeve through a belly pipe under the action of the control system, sealing the feeding pipes in a furnace under the action of the pressure of high-pressure control gas, realizing safe feeding, and controlling a hydraulic oil cylinder to push the pushing rod when the feeding pipe head enters the front end of the tuyere small sleeve, so that the dry materials enter the front end of the tuyere small sleeve to block the tuyere under the action of the pushing rod, and feeding and tuyere blocking are completed; when the dilute wet material is fed, the dilute wet material feeding system is replaced, a front end plug of a feeding pipe is arranged, the dilute wet material is filled into a feed box, a high-pressure gas valve is connected, a main control valve of a smelting furnace controller is closed, a controller end cover is opened, the feeding pipe head enters the controller under the action of the control system, the high-pressure control gas valve is opened, the main control valve of the smelting furnace controller is opened, the feeding pipe enters a tuyere small sleeve through a belly pipe under the action of the control system, high-pressure high-temperature gas in the furnace is sealed in the furnace under the action of the pressure of the high-pressure control gas, so that safe feeding is realized, when the head part of the feeding pipe reaches the front end of the tuyere small sleeve, the feeding high-pressure gas valve is opened, the dilute wet material is sprayed to the front end of the tuyere small sleeve under the action of the high-pressure gas, the radial small holes at the front end of the feeding pipe are outwards sprayed to block the tuyere, feeding and tuyere blocking are completed, the fine powder is mineral powder, a powder spraying and feeding system is replaced, the fine powder is filled into a material box, a high-pressure gas valve is connected, a main control valve of a smelting furnace controller is closed, a controller end cover is opened, a spraying pipe head enters the controller under the action of the control system, the high-pressure control gas valve is opened, the main control valve of the smelting furnace controller is opened, a spraying pipe enters the furnace through a small sleeve of a belly pipe opening under the action of the control system, high-pressure high-temperature gas in the furnace is sealed in the furnace under the action of the pressure of the high-pressure control gas, safe spraying is realized, when the spraying pipe head enters the position of the furnace, the high-pressure spraying gas valve is opened, and under the siphon action of air flow, the fine powder and the high-pressure gas are mixed together to enter the furnace through the spraying pipe, so that spraying is completed.

9. The method for taking out the tuyere belt wind taking out and taking in machine for blast furnace according to claim 8, wherein: after the feeding and the blocking of the air port are carried out, when the air port is required to be opened, the front end plug is arranged at the head part of the feeding pipe, the control system is operated, and the plug pushes the blocked air port, so that the original blocked air port is opened again.