阅读说明：本技术 一种电厂专用双向防爆煤粉埋刮输送机 (Special two-way explosion-proof buggy of power plant buries scrapes conveyer ) 是由 李广均 李力 夏旻 向葵阳 刘凯 余正平 于 2020-12-08 设计创作，主要内容包括：本发明公开了一种电厂专用双向防爆煤粉埋刮输送机,所述机头、六组过渡段和尾部由螺栓和密封条固定密封成整体,所述机头和尾部底部均安装有出料口,所述机头一侧轴承连接变速箱,所述变速箱一侧轴承连接电机,六组所述过渡段上方依次固定有氮气排放口、进料口、含氧量检测仪、进料口、水管接口、氮气接口,其中两组所述过渡段底部固定安装有排水口,六组所述过滤段内部一侧固定安装有温度感应装置,所述过过滤段一侧固定安装有数据显示控制仪,所述数据显示控制仪通过电路电性连接控制氮气接口、水管接口、进料口、电机、变速箱、含氧量检测仪、氮气排放口,本发明公开了一种电厂专用双向防爆煤粉埋刮输送机。(The invention discloses a special bidirectional explosion-proof pulverized coal scraping conveyor for a power plant, wherein a machine head, six groups of transition sections and a tail part are fixedly sealed into a whole by bolts and sealing strips, discharge ports are respectively arranged at the bottoms of the machine head and the tail part, a gearbox is connected with one side of the machine head through a bearing, a motor is connected with one side of the gearbox through a bearing, a nitrogen gas discharge port, a feed port, an oxygen content detector, a feed port, a water pipe interface and a nitrogen gas interface are sequentially fixed above the six groups of transition sections, a water discharge port is fixedly arranged at the bottom of two groups of transition sections, a temperature sensing device is fixedly arranged at one side inside the six groups of filter sections, a data display controller is fixedly arranged at one side of the filter section, and the data display controller is electrically connected and controls the nitrogen gas interface, the water, the invention discloses a special bidirectional explosion-proof pulverized coal scraping conveyor for a power plant.)

1. The utility model provides a conveyer is scraped to special two-way explosion-proof buggy of power plant, includes aircraft nose (1), six sets of changeover portion (5) and afterbody (11), its characterized in that: the machine head (1), six groups of transition sections (5) and the tail part (11) are fixedly sealed into a whole by bolts (15) and sealing strips (16), a discharge hole (17) is fixedly arranged at the bottoms of the machine head (1) and the tail part (11), a bearing at one side of the machine head (1) is connected with a gearbox (2), a bearing at one side of the gearbox (2) is connected with a motor (3), six groups of transition sections (5) are sequentially fixed with a nitrogen discharge port (21), a feed inlet (9), an oxygen content detector (10), a feed inlet (9), a water pipe connector (7) and a nitrogen interface (13), wherein two groups of transition sections (5) are fixedly provided with a water discharge port (22) at the bottom and six groups of temperature sensing devices (6) are fixedly arranged at one side inside the filter section (5), and a data display controller (18) is fixedly arranged at one side of, the data display control instrument (18) is electrically connected with and controls the nitrogen interface (13), the water pipe interface (7), the feeding hole (9), the motor (3), the gearbox (2), the oxygen content detector (10) and the nitrogen discharge port (21) through a circuit.

2. The special bidirectional explosion-proof pulverized coal burying and scraping conveyor for the power plant as claimed in claim 1, is characterized in that: aircraft nose (1), six groups changeover portion (5) and afterbody (11) internally mounted have scraper chain subassembly (12), access hole (20) surface has easy-to-open access cover (201).

3. The special bidirectional explosion-proof pulverized coal burying and scraping conveyor for the power plant as claimed in claim 1, is characterized in that: the aircraft nose (1) and afterbody (11) upper surface all have access cover (4), access cover (4) have bolt (15) and sealing strip (16) fixed connection.

4. The special bidirectional explosion-proof pulverized coal burying and scraping conveyor for the power plant as claimed in claim 1, is characterized in that: the bottom of the motor (3) is fixedly installed on the upper surface of the support (19) through a bolt, and the bottom of the gearbox (2) is fixedly installed on the upper surface of the support (19) through a bolt.

5. The special bidirectional explosion-proof pulverized coal burying and scraping conveyor for the power plant as claimed in claim 1, is characterized in that: and two groups of brackets (19) are fixedly welded at the bottoms of the six groups of transition sections (5) of the head (1) and the tail (11).

6. The special bidirectional explosion-proof pulverized coal burying and scraping conveyor for the power plant as claimed in claim 1, is characterized in that: the contact parts of the head (1), the six groups of transition sections (5) and the tail (11) are stainless steel 304 steel plates, and the shell parts of the head (1), the six groups of transition sections (5) and the tail (11) are stainless steel 316L steel plates.

Technical Field

The invention relates to the technical field of explosion-proof buried scraping conveyors, in particular to a bidirectional explosion-proof coal powder buried scraping conveyor special for a power plant.

Background

The tradition buries and scrapes conveyer does not have explosion-proof function to the buggy in transmission process, does not implement the data of control, can cause unnecessary production accident, and the buggy is specific concentration in the air, oxygen content reach certain degree, or the temperature reaches certain degree will probably produce the nature, if effectual processing when meetting proruption problem, will produce the nature, can lead to the explosion even when the condition is serious, causes great life and production facility safety problem.

Traditional buried scraper conveyor is unidirectional in transmission direction usually, and is not set to bidirectional transmission, in practical application, often has the situation that needs carry out two-way transport material. In the prior art, two embedded scraper conveyors are usually equipped to realize the conveying function in two directions under the condition, so that the field and the resources are wasted, and if the one-way embedded scraper conveyor is replaced, the engineering is complex and the cost is also high.

Disclosure of Invention

The invention aims to provide a special bidirectional explosion-proof pulverized coal scraping conveyor for a power plant, which is characterized in that a temperature sensing device and an oxygen content detector are arranged on a transition section to detect two conditions of pulverized coal explosion conditions, when the oxygen content in the transition section is close to an explosion value, nitrogen is injected from a nitrogen interface to reduce the oxygen content, redundant gas is discharged through a nitrogen discharge port to remove the nitrogen and the oxygen together, so that the oxygen content is reduced, when the oxygen content is lower than the explosion value, nitrogen input and the nitrogen discharge port are closed, when the temperature in the transition section reaches explosion, a high-pressure spray nozzle is opened, the high-pressure spray nozzle sprays water mist, and the temperature and the humidity of air are reduced; the gearbox is added to the original single motor position, the speed and the direction of the transmission of the scraper can be adjusted by the gearbox, and the control can be displayed and controlled on the data display controller so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a special two-way explosion-proof buggy of power plant buries scrapes conveyer, includes aircraft nose, six changeover portions of organizing and afterbody, aircraft nose, six changeover portions of organizing and afterbody are by bolt and sealing strip fixed seal one-tenth whole, all interface positions are all polished and smoothed, the discharge gate is equipped with all solid installations in aircraft nose and afterbody bottom, aircraft nose one side bearing connection gearbox, gearbox one side bearing connection motor, six groups the changeover portion top is fixed with nitrogen gas discharge port, feed inlet, oxygen content detector, feed inlet, water pipe interface, nitrogen gas interface in proper order, and wherein two sets of changeover portion bottom fixed mounting has the outlet, six groups the inside one side fixed mounting of changeover portion has temperature-sensing device, cross changeover portion one side fixed mounting and have the data display control appearance, the data display control appearance is through circuit electric connection control nitrogen gas interface, water pipe interface, water, Feed inlet, motor, gearbox, oxygen content detector, nitrogen gas discharge port.

Preferably, the scraper chain components are arranged inside the machine head, the six groups of transition sections and the tail part, and the surface of the access hole is provided with an easy-to-open access door.

Preferably, the upper surfaces of the head and the tail are both provided with access covers, and the access covers are fixedly connected with the sealing strips through bolts.

Preferably, the bottom of the motor is fixedly installed on the upper surface of the support through a bolt, and the bottom of the gearbox is fixedly installed on the upper surface of the support through a bolt.

Preferably, the bottoms of the transition sections and the tail part of the six groups of the nose are fixedly welded with two groups of brackets.

Preferably, the contact parts of the nose, the six groups of transition sections and the tail part are stainless steel 304 steel plates, and the parts of the nose, the six groups of transition sections and the tail part shell are stainless steel 316L steel plates.

Compared with the prior art, the invention has the beneficial effects that:

1. the temperature and oxygen content detection device is additionally arranged in the transition section, and a proper amount of nitrogen is timely filled in the transition section before the transition section reaches the explosion critical value to reduce the oxygen content, the temperature and the humidity in the transition section, so that the transition section can be prevented from reaching the explosion critical value, and the explosion production accident can be avoided when the temperature and the oxygen content are reduced;

2. through increasing the gearbox device beside the aircraft nose, the direction of rotation and the speed of pivot can be adjusted to the gearbox to the transmission direction and the speed of adjustment scraper blade chain subassembly have increased feed inlet and discharge gate, thereby can make both sides all can feed and the ejection of compact, have solved the transformation that only can one-way transmission or whole machine.

Drawings

FIG. 1 is a schematic side view of a bidirectional explosion-proof coal dust scraping conveyor special for a power plant according to the present invention;

FIG. 2 is a schematic structural diagram of a motor of the special bidirectional explosion-proof pulverized coal scraping conveyor for a power plant in a front view;

FIG. 3 is a schematic sectional view of a method connecting port of the bidirectional explosion-proof pulverized coal scraper conveyor special for a power plant according to the present invention;

FIG. 4 is a schematic view of a top-view structure of a method connection port of the bidirectional explosion-proof pulverized coal scraper conveyor special for a power plant;

fig. 5 is a schematic view of the internal transmission structure of the transmission case in fig. 2.

In the figure: 1. a machine head; 2. a gearbox; 3. a motor; 4. an access cover; 5. a transition section; 6. a temperature sensing device; 7. a water pipe connector; 8. a high pressure spray nozzle; 9. a feed inlet; 10. an oxygen content detector; 11. a tail portion; 12. a scraper chain assembly; 13. a nitrogen interface; 14. an interface flange; 15. a bolt; 16. a sealing strip; 17. a discharge port; 18. a data display control instrument; 19. a support; 20. an access hole; 21. a nitrogen gas discharge port; 22. a water outlet; 201. an access door.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the machine head 1, the six groups of transition sections 5 and the tail part 11 are fixedly sealed into a whole by bolts 15 and sealing strips 16, a discharge port 17 is fixedly arranged at the bottom of the machine head 1 and the bottom of the tail part 11, one side of the machine head 1 is connected with a gearbox 2 by a bearing, one side of the gearbox 2 is connected with a motor 3 by a bearing, the motor is shown in figure 5, the output end of the gearbox 2 is meshed with a linkage auxiliary shaft to rotate, gears on the auxiliary shaft drive an upper gear to rotate, when a shifting fork is shifted to different gears to realize different speeds, two groups of gear oil idlers on the left side of the auxiliary wheel are connected, the idlers are two non-mutually-contacted transmission auxiliary wheels, play a role in driving, change transmission steering and do not change transmission ratio, all can realize bidirectional transmission and transmission speed regulation of a transmission belt, a nitrogen discharge port 21, a feed port 9, an oxygen, The nitrogen interface 13, wherein the bottom fixed mounting of two sets of changeover portion 5 has outlet 22, six inside one side fixed mounting of 5 filter segments have temperature-sensing device 6, 5 one side fixed mounting of filter segment has data display control appearance 18, data display control appearance 18 passes through circuit electric connection control nitrogen interface 13, water pipe connector 7, feed inlet 9, motor 3, gearbox 2, oxygen content detector 10, nitrogen gas discharge port 21, wherein water pipe connector 7, nitrogen gas connector 13, outlet 22 wait to weld at the main part relevant position, oxygen content detector 10 then honey seal bolt 15 and fix at the interface position.

Aircraft nose 1, six group's changeover portion 5 and 11 internally mounted in afterbody have scraper chain component 12, and there is easy-to-open access door 201 on the access hole 20 surface, including access door 201 main part, access door 201 main part lower extreme is connected with equipment casing sealing bolt 15, and access door 201 top is provided with the apron, and apron one end is articulated with access door 201, and the other end is through high temperature resistant high strength hasp and the locking of the access door 201 other end. The hasp is a flat nozzle hasp. The high-temperature-resistant and high-strength hasp is customized, so that the locking is firm and the opening is convenient. The pre-tightening force of the sealing element can be kept through the cover plate for a long time, and the sealing element is pressed tightly.

The upper surfaces of the head 1 and the tail 11 are both provided with access covers 4, and the access covers 4 are fixedly connected with a sealing strip 16 through bolts 15. The bottom of the motor 3 is fixedly arranged on the upper surface of the bracket 19 through a bolt 15, and the bottom of the gearbox 2 is fixedly arranged on the upper surface of the bracket 19 through a bolt 15. Two groups of brackets 19 are fixedly welded at the bottoms of the six groups of transition sections 5 of the nose 1 and the tail 11. The contact parts of the nose 1, the six groups of transition sections 5 and the tail 11 are stainless steel 304 steel plates, all the contact parts and the inside are polished to avoid unevenness, the joint parts are sealed by sealing strips 16 and confined by bolts 15, the shell parts of the nose 1, the six groups of transition sections 5 and the tail 11 are stainless steel 316L steel plates, and the shell can be made of high-temperature-resistant and corrosion-resistant metallic paint.

The working principle is as follows: the motor 3 is started through the data display controller 18, the motor 3 is started to provide driving force for the gearbox 2 at the output end, the gearbox 2 can change the rotation direction, so that the transmission direction is changed, the output end of the gearbox 2 drives the rotating shaft in the head 1, the rotating shaft drives the scraper chain assembly 12, the oxygen content detector 10 and the temperature sensing device 6 can transmit back data to display when the data display controller 18 is started, if the oxygen content data exceeds the standard, the data display controller 18 can send out an alarm, the nitrogen interface 13 and the nitrogen discharge port 21 are started according to the exceeding standard index, nitrogen is input from the nitrogen interface 13, if the temperature value exceeds the standard, the high-pressure spray nozzle 8 is started, the temperature and the humidity are reduced, after the value reaches the standard, feeding is started from the feed inlet 9, and the risks of explosion are eliminated due to the reduction of the oxygen content and the.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.