Dry quenching intelligent mechanical coke discharging equipment

Abstract

The invention belongs to the technical field of coke coking, and particularly relates to dry quenching intelligent mechanical coke discharging equipment which comprises a vibration feeder located at a coke cooling outlet, a rotary sealing valve is connected to the discharging end of the vibration feeder, a material pumping device is placed on one side of the rotary sealing valve, and an intelligent catching device is arranged on the side face of a stock bin at an inlet of the rotary sealing valve. According to the invention, coke blocked in the rotary sealing valve and the vibratory feeder can be quickly cleaned, medium and large foreign matters are prevented from blocking each device of the coke discharging system, and the requirements of high intelligence and automation of the whole body are met by integrating intelligent components such as the material pumping device, the intelligent catching device and the valve plate push-pull device.

Description

Technical Field

[0001] The invention relates to the technical field of coke coking, and in particular to a dry coke quenching intelligent mechanized coke removal device. Background Art

[0002] Coke is mainly used in blast furnace ironmaking and blast furnace smelting of non-ferrous metals such as copper, lead, zinc, titanium, antimony, and mercury. In the coking process, the high-temperature red coke needs to be quenched and discharged. Compared with the traditional wet quenching process, the dry quenching process can absorb the heat of red coke, save energy, improve the quality of coke and reduce pollution. Therefore, dry quenching has become the main quenching method in the coking industry.

[0003] The CDQ coke discharge system is a set of devices that continuously discharge the cooled coke in the CDQ furnace onto the belt. It is composed of a flat gate, a vibrating feeder, a rotary sealing valve, a double-branch chute and other equipment. The coke in the CDQ furnace enters the vibrating feeder through the opened flat gate. The vibrating feeder discharges a controllable tonnage of coke into the rotary sealing valve according to production needs. The coke falls evenly into the double-branch chute through the rotary sealing valve. The double-branch chute can discharge the coke onto the belt required by production by switching the flap.

[0004] In actual production, the falling of foreign objects can easily cause coke and foreign objects to get stuck in the coke removal system. The traditional treatment method requires overall disassembly for repair, which is time-consuming and labor-intensive and seriously affects the continuous stability of production. Most of the repairs are passive after the material is stuck, and it is difficult to implement a facility method to stop the operation of the equipment in time when foreign objects are found.

[0005] In view of the above technical defects, a solution is now proposed. Summary of the invention

[0006] The purpose of the present invention is to provide an intelligent mechanized coke removal device for dry coke quenching to solve the technical defects proposed by the background technology.

[0007] The objective of the present invention can be achieved through the following technical scheme: a dry coke quenching intelligent mechanized coke removal equipment, comprising a vibrating feeder located at the coke cooling outlet, the vibrating feeder discharge end is connected to a rotary sealing valve, a pumping device is placed on one side of the rotary sealing valve, the pumping device comprises a vacuum pump pump, an air storage tank, a dust collector, a cyclone separator, an alarm, a movable pumping pipe and an exhaust hole, and an intelligent capture device is arranged on the side of the silo at the inlet of the rotary sealing valve.

[0008] Preferably, a quickly detachable inspection hole is provided at the lower part of the flange of the rotary sealing valve body, and the inspection hole is a rectangular structure.

[0009] Preferably, the extraction pipe is detachably connected to the inspection hole of the rotary sealing valve, and one end of the extraction pipe away from the rotary sealing valve is connected to the cyclone separator.

[0010] Preferably, the intelligent capture device includes a signal transmitting end, a signal receiving end, a signal analyzer, and a signal transmitter.

[0011] Preferably, the intelligent capture device emits gamma rays through the signal transmitting end, and the signal receiving end receives data of gamma rays penetrating the coke layer in real time. The signal analyzer determines in real time whether the collected data is consistent with the data reflected by the coke, and the signal transmitter transmits the analyzed results to the dry coke quenching PLC control system, and the PLC control system controls the start and stop of the coke removal device.

[0012] Preferably, a valve plate push-pull device is provided on one side of the rotary sealing valve, and the valve plate push-pull device comprises a movable base, a hydraulic cylinder, a hydraulic rod, a fork-type thrust head and a hook-type stretching head.

[0013] Beneficial effects of the present invention:

[0014] (1) The present invention prevents the coke removal system from getting stuck and quickly handles the stuck coke by providing a pumping device, thereby effectively reducing the abnormal operation time of the coke removal system and quickly clearing the coke stuck in the rotary sealing valve and the vibrating feeder.

[0015] (2) The present invention also uses an intelligent capture device to achieve real-time monitoring of whether there are foreign objects entering the defocusing system. When a foreign object is detected, the control system directly stops the operation of the equipment in a timely manner to prevent medium and large foreign objects from getting stuck in the defocusing system equipment.

[0016] (3) The present invention can also push and pull the valve plate through the valve plate push and pull device, which can quickly solve the problem of foreign matter blocking the equipment, so as to solve the problem that the traditional manual prying of the valve plate is difficult, time-consuming and labor-intensive, and easily leads to the risk of furnace shutdown. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described below in conjunction with the accompanying drawings;

[0018] Figure 1 It is a stereogram of the overall structure of the present invention;

[0019] Figure 2 It is a schematic diagram of the structure of the hydraulic cylinder of the present invention;

[0020] Figure 3 It is a schematic diagram of the process flow of the material extraction machine of the present invention;

[0021] Figure 4 It is a schematic diagram of the process flow of the intelligent capture system of the present invention;

[0022] Figure 5It is a schematic diagram of the process flow of the pumping machine of the present invention.

[0023] Legend: 1. Vibrating feeder; 2. Rotary sealing valve; 3. Mobile base; 4. Hydraulic cylinder; 5. Hydraulic rod. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] Example 1: Please refer to Figure 1-Figure 5 As shown, this embodiment is a dry coke quenching intelligent mechanized coke discharge equipment, including a vibrating feeder 1 located at the coke cooling outlet, and a rotary sealing valve 2 is connected to the discharge end of the vibrating feeder 1. The vibrating feeder 1 quantitatively and evenly delivers the cooled coke to the rotary sealing valve 2. The rotary sealing valve 2 ensures that no gas or coke leaks during the coke delivery process, thereby maintaining the stability and safety of the system;

[0026] A material extraction device is placed on one side of the rotary sealing valve 2, and the material extraction device includes a vacuum pump material extraction machine, a gas storage tank, a dust collector, a cyclone separator, an alarm, a movable material extraction pipe and an exhaust hole, so as to quickly clean the coke blocked in the rotary sealing valve 2 and the vibrating feeder 1;

[0027] An intelligent capture device is provided on the side of the silo at the entrance of the rotary sealing valve 2. The intelligent capture device controls the start and stop of the device by real-time monitoring the wavelength of the gamma rays entering the receiving end after penetrating the vibrating feeder 1, thereby preventing the coke removal system from getting stuck and quickly processing the stuck materials, and effectively reducing the abnormal operation time of the coke removal system.

[0028] A quickly detachable inspection hole is provided at the lower part of the flange of the rotary sealing valve 2 body. The inspection hole is a rectangular structure and is pressed against the side flange of the body by gland bolts. The flange sealing material is graphite rope.

[0029] Among them, the specific operating steps of the extraction device are as follows:

[0030] Step 1: When the rotary sealing valve 2 is stuck, place the movable extraction pipe to the inspection hole of the removed rotary sealing valve 2;

[0031] Step 2: Turn on the vacuum pump extractor, adjust the power of the extractor according to the size of the coke particles, and extract the blocked coke until foreign matter is found;

[0032] Step 3: The coke extracted by the extractor first enters the cyclone separator, and then falls into the lower bin of the cyclone separator, and is then discharged from the lower bin to the coke discharge belt for transportation;

[0033] Step 4: The flue gas after the coke is separated by the cyclone separator enters the next-level bag filter to remove the coke powder, and the clean gas is discharged through the exhaust valve of the pumping machine;

[0034] The specific parameters of cyclone dust collector are shown in the table below:

[0035] 1X Cyclone dust collector Air volume 42m^3 / min Material 340

[0036] The specific parameters of bag dust collector are shown in the table below:

[0037] 1S Bag filter Filter area 42m2 Design pressure -60K Рa Design temperature 220℃ Filter bag material Anti-static, high temperature resistant needle felt filter material

[0038] The specific parameters of the vacuum pump are shown in the table below:

[0039] 1P Vacuum Pump flow 42m3^ / min Vacuum degree -60K Рa power 75kW

[0040] The material extraction pipe is detachably connected to the inspection hole of the rotary sealing valve 2, and one end of the material extraction pipe away from the rotary sealing valve 2 is connected to the cyclone separator. After the rotary sealing valve 2 is stuck, the material extraction device first opens the inspection holes of the rotary sealing valve 2 and the vibrating feeder 1, and then places the movable material extraction pipe to the inspection hole of the removed rotary sealing valve 2;

[0041] Turn on the vacuum pump extractor and adjust the power of the extractor according to the size of the coke particles to extract the blocked coke until foreign matter is found. The coke extracted by the extractor first enters the cyclone separator, and the heavy coke falls into the lower bin of the cyclone separator, and is discharged from the lower bin to the coke discharge belt for transportation. The flue gas after the coke is removed is sucked into the next-level bag filter. A spray valve is set on the top of the bag filter. The coke powder applied on the bag falls into the bottom bin after timed spraying, and is discharged to the coke line belt by the format valve. After the coke powder is removed, the clean gas is discharged through the exhaust valve of the extractor.

[0042] A valve plate push-pull device is provided on one side of the rotary sealing valve 2. The valve plate push-pull device includes a movable base, a hydraulic cylinder, a hydraulic rod, a fork-type thrust head and a hook-type stretching head. The movable base moves in the horizontal direction, and the hydraulic rod moves in the vertical direction. The fork-type thrust head and the hook-type stretching head are selected for use to replace the hydraulic device for manually pushing and pulling the valve plate. When the sealing surface or mechanical gap of the rotary sealing valve 2 is stuck by small foreign objects, and the small foreign objects cannot be found and are difficult to remove, the traditional method requires manual prying of the valve plate to grind the foreign objects or bring them out of the valve body. The handling is very difficult and time-consuming and labor-intensive. In severe cases, it will cause the furnace to shut down. The valve plate push-pull device is used to push and pull the valve plate, and the failure of the small foreign objects blocking the equipment can be quickly handled.

[0043] Example 2: Please refer to Figure 1-Figure 3As shown, a dry coke quenching intelligent mechanized coke removal device of this embodiment, the intelligent capture device includes a signal transmitting end, a signal receiving end, a signal analyzer, and a signal transmitter. The intelligent capture device realizes the start and stop of the coke removal device through the data fed back by the rays passing through the coke layer.

[0044] The intelligent capture device injects gamma rays through the signal transmitting end, and the signal receiving end receives the data of gamma rays penetrating the coke layer in real time. The signal analyzer determines in real time whether the collected data is consistent with the data reflected by the coke. The signal transmitter transmits the analyzed results to the dry coke quenching PLC control system. The PLC control system controls the start and stop of the coke discharge device. The receiving end receives the data and wavelength of gamma rays penetrating the coke layer in real time. The signal analyzer determines in real time whether the collected data is consistent with the data reflected by the coke.

[0045] If the data received by the receiving end remains unchanged in real time, it means that there is no foreign matter in the material. If the data received by the receiving end changes, it means that foreign matter has entered the coke removal device. The signal transmitter transmits the two results after analysis to the dry coke quenching PLC control system, and the control system starts and stops the coke removal device based on the feedback results.

[0046] Combining the first and second embodiments, it can be seen that by providing the extraction device, the coke blocked in the rotary sealing valve 2 and the vibrating feeder 1 can be quickly cleaned, which greatly reduces the intensity of manual coke cleaning and avoids the risk of carbon monoxide poisoning that may be faced by manual workers during the cleaning process, thereby ensuring the safety of the workers;

[0047] It can also monitor in real time whether there are foreign objects entering the defocusing system. Once a foreign object is detected, the control system will immediately stop the equipment from running, effectively preventing medium and large foreign objects from getting stuck in the defocusing system and protecting the equipment from damage.

[0048] The valve plate push-pull device can easily push and pull the valve plate, quickly deal with the failure of foreign matter blocking the equipment, solve the problem that the traditional manual prying of the valve plate is difficult, time-consuming and labor-intensive, and also avoid the risk of shutdown caused by improper handling;

[0049] By integrating intelligent components such as the extraction device, intelligent capture device and valve plate push-pull device, the overall high intelligence and automation are achieved.

[0050] like Figure 1-Figure 3 As shown, the working process and principle of the present invention are as follows:

[0051] Step 1: The intelligent capture device emits gamma rays through the transmitting end, and the receiving end receives the data and wavelength of the gamma rays penetrating the coke layer in real time. The signal analyzer determines in real time whether the collected data is consistent with the data reflected by the coke; if the data received by the receiving end does not change in real time, it means that there is no foreign matter in the material. If the data received by the receiving end changes, it means that foreign matter has entered the coke removal device. The signal transmitter transmits the two results after analysis to the dry coke quenching PLC control system, and realizes the start and stop of the coke removal device. At the same time, the PLC control system sends an alarm based on the feedback control alarm to remind timely cleaning of foreign matter;

[0052] Step 2. When blockage occurs and the rotary sealing valve is stuck, place the movable extraction pipe at the inspection hole of the removed rotary sealing valve, turn on the vacuum pump extractor, adjust the power of the extractor according to the size of the coke particles, and extract the blocked coke until foreign matter is found. The coke extracted by the extractor first enters the cyclone separator, and the coke falls into the lower bin of the cyclone separator, and is discharged from the lower bin to the coke discharge belt for transportation. The flue gas after the coke is separated by the cyclone separator enters the next-level bag dust collector to remove the coke powder contained in the belt, and the clean gas is discharged through the exhaust valve of the extractor. When the sealing surface or mechanical gap of the rotary sealing valve is stuck by small foreign matter, and the small foreign matter cannot be found and is difficult to remove, the movable base moves in the horizontal direction, the hydraulic rod moves in the vertical direction, and the fork-type thrust head or the hook-type stretching head pushes the valve plate to move, so as to quickly deal with the failure of the equipment blocked by small foreign matter.

[0053] The above contents are merely examples and explanations of the structure of the present invention. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the invention or exceed the scope defined by the claims, they should all fall within the protection scope of the present invention.

[0054] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0055] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. An intelligent mechanized coke removal device for dry coke quenching, comprising a vibrating feeder located at the coke cooling outlet, characterized in that: The discharging end of the vibrating feeder is connected to a rotary sealing valve, and a material extraction device is placed on one side of the rotary sealing valve; The extraction device includes a vacuum pump extraction machine, an air storage tank, a dust collector, a cyclone separator, an alarm, a movable extraction pipe and an exhaust hole, and an intelligent capture device is arranged on the side of the silo at the inlet of the rotary sealing valve.

2. The dry coke quenching intelligent mechanized coke removal equipment according to claim 1, characterized in that: A quickly detachable inspection hole is provided at the lower part of the flange of the rotary sealing valve body, and the inspection hole is a rectangular structure.

3. The dry coke quenching intelligent mechanized coke removal equipment according to claim 2, characterized in that: The material extraction pipe is detachably connected to the inspection hole of the rotary sealing valve, and one end of the material extraction pipe away from the rotary sealing valve is connected to the cyclone separator.

4. The dry coke quenching intelligent mechanized coke removal equipment according to claim 1, characterized in that: The intelligent capture device includes a signal transmitting end, a signal receiving end, a signal analyzer, and a signal conveyor.

5. The dry coke quenching intelligent mechanized coke removal equipment according to claim 1, characterized in that: The intelligent capture device injects gamma rays through the signal transmitting end, and the signal receiving end receives the data of gamma rays penetrating the coke layer in real time. The signal analyzer determines in real time whether the collected data is consistent with the data reflected by the coke based on the collected data. The signal transmitter transmits the analyzed results to the dry coke quenching PLC control system, and the PLC control system controls the start and stop of the coke removal device.

6. The dry coke quenching intelligent mechanized coke removal equipment according to claim 1, characterized in that: A valve plate push-pull device is arranged on one side of the rotary sealing valve, and the valve plate push-pull device comprises a movable base, a hydraulic cylinder, a hydraulic rod, a fork-shaped thrust head and a hook-shaped stretching head.

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