CN-116878661-B - Automatic temperature measurement system and method for reciprocating straight-moving opening descending air flow fire hole cover

CN116878661BCN 116878661 BCN116878661 BCN 116878661BCN-116878661-B

Abstract

The invention discloses an automatic temperature measurement system and method for a descending air flow fire hole cover in a reciprocating straight-moving way, belonging to the field of automatic temperature measurement of coke ovens; the system comprises a single-double-variable-moment fire hole cover, a straight-line section track, a mobile control vehicle, a fire hole uncovering device and a temperature measuring device, wherein the single-double-variable-moment fire hole cover is arranged on a fire hole of a straight-line fire channel to be measured, the single-double-variable-moment fire hole covers on all single-number or double-number fire holes are arranged in a consistent direction, the single-double-variable-moment fire hole covers on the double-number fire holes are horizontally rotated by 180 degrees and then are arranged, the fire hole uncovering device and the temperature measuring device are arranged on the mobile control vehicle, the descending air flow fire hole cover can be opened when the mobile control vehicle reciprocates, the reciprocating high-efficiency utilization of the mobile control vehicle is realized on the basis of long-term accurate temperature measurement, the uncovering resistance is small, and the energy consumption is low.

Inventors

LIU ZAILIANG
WANG XIAOTING
MENG HAILING
YAN WENFU

Assignees

安徽工业大学

Dates

Publication Date: 20260508
Application Date: 20230531

Claims (10)

1. An automatic temperature measurement system for a descending air flow fire observation hole cover in a reciprocating and straight-going way comprises a single-double-number variable-moment fire observation hole cover, a straight-line section track, a mobile control vehicle, a fire observation hole cover opening device and a temperature measurement device, and is characterized in that, The single-double variable-moment fire hole covers are arranged on the fire holes on the straight-going fire paths to be measured on the same side of the coke oven, the single-double variable-moment fire hole covers on all single-double or double-number fire holes are arranged in the same direction, and the single-double variable-moment fire hole covers on the double-number fire holes are arranged after being horizontally rotated by 180 degrees; a straight-line section track is arranged above a fire observation hole on a straight-line fire path to be detected of the coke oven with the same seat; a mobile control vehicle is arranged on the straight-line section track; the movable control vehicle is provided with the fire hole uncapping device and the temperature measuring device, and the two temperature measuring devices are respectively arranged at the front side and the rear side of the fire hole uncapping device; The push head arranged on the fire hole uncovering device can horizontally move and is used for opening a single-double-number variable-moment fire hole cover on a single-number or double-number fire hole; And when the mobile control vehicle reciprocates on the straight-line section track, the single double-number variable-moment fire-viewing hole covers on all the single-number or double-number fire-viewing holes are sequentially opened, then the single double-number variable-moment fire-viewing hole covers on the rest double-number or single-number fire-viewing holes are opened, and the single double-number variable-moment fire-viewing hole covers are all descending airflow fire-viewing hole covers in the opening process.
2. The automatic temperature measurement system for a reciprocating straight open downdraft manhole cover of claim 1, wherein, The straight-line segment track comprises a machine side straight-line segment track and a coke side straight-line segment track; A machine side straight-line section track and a coke side straight-line section track are respectively arranged above the fire observation holes on the straight-line flame paths to be measured on the two sides of the coke oven with the same seat; And the machine side straight-line section track and the coke side straight-line section track are both provided with a mobile control vehicle.
3. The automatic temperature measurement system for a reciprocating straight open downdraft manhole cover of claim 2, wherein, The single double-number variable-moment fire hole cover on the single-number fire hole on one side of the coke oven and the single double-number variable-moment fire hole cover on the double-number fire hole on the other side are installed towards the same direction.
4. The automatic temperature measurement system for opening the downdraft fire hole cover in a reciprocating straight motion according to claim 3, wherein the single-double-number variable-moment fire hole covers on the same side of the coke ovens on both sides of the coal tower area are installed in the same direction.
5. The automatic temperature measurement system for opening the downdraft fire hole cover in a reciprocating straight motion as recited in claim 4, wherein said fire hole cover opening means comprises an electric push rod mounted on a mobile control vehicle; The electric push rod is used for controlling the push head to horizontally move.
6. The automatic temperature measurement system for the reciprocating straight opening descending air flow fire hole cover according to claim 5, wherein N pushing heads which are parallel to each other are arranged in the same vertical plane at the tail end of the fire hole cover opening device, N is more than or equal to 2, and N pushing heads are contacted with the pushed rod on the single-double-number variable moment fire hole cover arranged on the fire hole one by one according to the sequence from top to bottom.
7. The automatic temperature measurement system for opening the downdraft fire hole cover in a reciprocating straight manner according to claim 6, wherein three pushing heads which are parallel to each other are installed in the same vertical plane at the tail end of the fire hole cover opening device, the uppermost pushing head is flush with the pushed rod on the single double-number variable moment fire hole cover or lower than the top surface of the pushed rod on the single double-number variable moment fire hole cover, the vertical distance between the middle pushing head and the uppermost pushing head is smaller than the vertical distance between the middle pushing head and the lowermost pushing head, the position of the lowermost pushing head is set in the whole cover opening process, the cover opening cannot be disturbed, and the maximum angle of the cover opening can be ensured not to exceed 85 degrees.
8. The automatic temperature measurement system for opening the downdraft fire hole cover in a reciprocating straight way according to claim 7, wherein the fire hole cover opening devices and the temperature measurement devices are symmetrically arranged on the front wall and the rear wall of the mobile control vehicle; The electric push rods are arranged on the front wall and the rear wall of the mobile control vehicle, push heads are arranged on the electric push rods through arc-shaped connecting rods, and the arc-shaped connecting rods on the front wall and the rear wall of the mobile control vehicle are symmetrically arranged along connecting lines of the middle points of the N push heads and are opposite in opening; The middle points of the N push heads are all positioned on the same vertical line.
9. The automatic temperature measurement system for opening the down-flow fire hole cover in a reciprocating straight manner according to claim 8, wherein when the mobile control vehicle reciprocates, the push head on the rear wall of the mobile control vehicle is aligned with the pushed rod on the down-flow fire hole cover according to the advancing direction of the mobile control vehicle, and the push head on the front wall of the mobile control vehicle is positioned at the center of the straight-line track.
10. An automatic temperature measurement method for a reciprocating straight open descending air flow fire hole cover by adopting the automatic temperature measurement system as claimed in any one of claims 5 to 9, which is characterized by comprising the following steps: s1, after the coke oven is changed, a temperature measuring instruction is sent out, and when a fire hole cover which can be opened in the forward direction of the mobile control vehicle is an ascending airflow, the mobile control vehicle stands by and waits for the coke oven in front to change direction again; S2, when a fire hole cover which can be opened in the forward direction of the mobile control vehicle is a descending air flow, the mobile control vehicle on the machine side and the coke side simultaneously controls the electric push rods to push out or retract according to a temperature measurement instruction, so that the electric push rods on the front wall and the rear wall of the mobile control vehicle are simultaneously pushed out or simultaneously retracted, the push heads at the tail ends of the fire hole cover opening devices on the rear wall of the mobile control vehicle are aligned with the pushed rods on the descending air flow fire hole cover, and at the moment, the push heads at the tail ends of the fire hole cover opening devices on the front wall of the mobile control vehicle are positioned at the central position of a straight line section track, and do not touch any pushed rods when the mobile control vehicle advances; S3, after reversing for 5min, the mobile control vehicle starts from the starting point position of the coal tower area, a fire hole opening device on the rear wall of the mobile control vehicle sequentially opens all descending air flow fire hole covers, and reaches the tail end of the straight-line section track to stop after temperature measurement, and the coke oven is waited to reverse again; S4, after the coke oven is changed again, the mobile control vehicles on the machine side and the coke side simultaneously control electric push rods on the front wall and the rear wall to simultaneously and reversely act according to temperature measurement instructions, so that push heads at the tail ends of the fire hole opening devices on the front wall are aligned with the original ascending air flow fire hole covers, wherein the front wall is the rear wall at the moment, the original ascending air flow is the descending air flow at the moment, the push heads at the tail ends of the fire hole opening devices on the rear wall are positioned at the central position of a straight-line section track, and do not touch any pushed rod when the mobile control vehicle advances, and the rear wall is the front wall at the moment; S5, after reversing for 5min, the mobile control vehicle starts from the position of the tail end of the straight-line section track and returns to the coal tower area, at the moment, a cover opening device on the rear wall of the mobile control vehicle sequentially opens all descending air flow fire hole covers, measures the temperature and returns to the coal tower area, and the vehicle is stopped and stands by; s6, after the coke oven completes one-time temperature measurement, a central control room computer regulates and controls the heating gas quantity of the coke oven according to the optimized summarized temperature measurement data; s7, after the other coke oven is reversed, measuring the temperature of the other coke oven according to the steps of S1-S5; and S8, after the other coke oven finishes one-time temperature measurement, the central control room computer regulates and controls the heating gas quantity of the other coke oven according to the optimized summarized temperature measurement data.

Description

Automatic temperature measurement system and method for reciprocating straight-moving opening descending air flow fire hole cover Technical Field The invention belongs to the field of automatic temperature measurement of coke ovens, and particularly relates to an automatic temperature measurement system and an automatic temperature measurement method for a descending airflow fire hole cover in a reciprocating straight-moving way. Background The timely and accurate temperature measurement of the straight flame path at the top of the coke oven is a basic guarantee for daily production of the coke oven. The manual temperature measurement is one of the most common methods, because the fire observation holes on the straight fire path are divided into ascending air flow fire observation holes and descending air flow fire observation holes, which are arranged at intervals and are changed once for 20 minutes, in order to avoid the baking of flames sprayed from the ascending air flow fire observation holes to temperature measurement personnel, the whole descending air flow fire observation holes are usually measured firstly according to a certain sequence during manual temperature measurement, the descending air flow and the ascending air flow are exchanged after 20 minutes of reversing are finished, and then all the ascending air flow fire observation holes (the descending air flow fire observation holes after reversing) are measured immediately. The manual temperature measurement has the advantages of high labor intensity, poor environmental conditions and large human error, is easily influenced by external environments such as strong wind, heavy rain and the like to interrupt temperature measurement, causes large fluctuation of furnace temperature, further reduces coke quality and influences the service life of the coke oven. The adoption of mobile automatic temperature measurement instead of manual temperature measurement is a focus and a hot spot of attention in the field of automatic temperature measurement of coke ovens at present. Because the coke oven top is provided with a large-sized coal charging car or a dust removing car, in order not to influence the operation of the large-sized equipment and to smoothly measure the temperature, the height of the movable automatic temperature measuring device from the ground of the coke oven top is often within 0.5m and is far lower than the height of manual temperature measurement by about 1.5m, and in the height of 0.5m, if all the fire holes are opened for temperature measurement without difference, the life of the automatic temperature measuring device is obviously shortened by the baking of flame sprayed from the rising air fire holes. Therefore, the simple and reliable device is adopted to realize automatic distinction and only the descending air flow observation hole is opened to automatically measure the temperature, so that the service life of the temperature measuring device is ensured, and the long-term temperature measurement is realized with important engineering significance. The applicant has applied for and obtained the national patent of invention to related temperature measuring device and method (a device and method for distinguishing single and double number fire holes of coke oven and automatically and accurately measuring temperature, with the authorization number of CN 115265791B). However, the types, models and specifications of coke ovens are different, the auxiliary equipment installed on the oven top surface of the coke oven is different, the space between the large equipment and the oven top surface in the width direction of the oven top is different, and the lengths of steel rails paved in the length direction of the oven top for moving the large equipment are also different. While some of the steel rails are cut off near the side furnace and some occupy the entire length of the furnace roof, for the former, automatic temperature measurement is not problematic by laying the endless rails using patents to which the applicant has been entitled, for the latter, but laying the endless rails beyond the ends of the side furnace steel rails in the width direction of the coke oven faces certain difficulties. In fact, when the patent authorized by the applicant only runs on the machine side straight line section and the focal side straight line section of the circular track respectively, the work of opening only the descending air flow fire hole cover and automatically measuring the temperature can be carried out, but the completion of one-time temperature measurement of all the fire hole on the machine side or the focal side requires two empty running returns of the mobile control vehicle, which causes unnecessary waste, and the long-time running of the mobile control vehicle is challenged by the high-temperature season in summer. Therefore, the optimization and innovation of the mobile automatic temperature measurement system and method are requi