阅读说明：本技术 一种城市固体废物处理用分选设备 (Sorting equipment for municipal solid waste treatment ) 是由 袁见英 于 2020-07-27 设计创作，主要内容包括：本发明涉及城市废物处理技术领域,且公开了一种城市固体废物处理用分选设备,包括固定台,固定台的顶部固定连接有运输台,运输台的内部转动连接有传送辊,运输台内部远离传送辊的一端转动连接有磁选辊,本发明通过设置有测试磁体,当皮带工作面上划痕以及孔洞的位置移动至测试箱的内部,电磁铁与吸铁石的斥力磁场推动吸铁石上移,软膜套填充皮带的工作在划痕以及孔洞中,连接杆带动测试磁体向霍尔元件方向移动,测试磁体对霍尔元件施加的磁场影响从弱到强,检测霍尔元件产生的电位差,对获得的电位数据与预设数值差进行比较计算,若超过则启动控制模块,将皮带式磁选机停止运行,使得维修人员能够及时对皮带损伤的位置及时进行修补防止皮带损坏。(The invention relates to the technical field of urban waste treatment, and discloses sorting equipment for urban solid waste treatment, which comprises a fixed table, wherein the top of the fixed table is fixedly connected with a conveying table, the conveying table is rotatably connected with the conveying roller inside, one end of the conveying table far away from the conveying roller is rotatably connected with a magnetic separation roller, a test magnet is arranged, when the positions of scratches and holes on the working surface of a belt move to the inside of a test box, the repulsive magnetic field of an electromagnet and a magnet pushes the magnet to move upwards, a soft film sleeve fills the work of the belt in the scratches and the holes, a connecting rod drives the test magnet to move towards a Hall element, the influence of the magnetic field applied by the test magnet on the Hall element is from weak to strong, the potential difference generated by the Hall element is detected, the obtained potential data is compared with the preset numerical difference, and if the difference exceeds the preset numerical difference, a control module is, the belt type magnetic separator is stopped, so that maintenance personnel can timely repair the position of the belt damage to prevent the belt damage.)

1. A sorting equipment for municipal solid waste treatment, comprising a fixed table (1), characterized in that: the top fixedly connected with transport table (2) of fixed station (1), the inside rotation of transport table (2) is connected with transfer roller (3), the inside one end of keeping away from transfer roller (3) of transport table (2) rotates and is connected with magnetic separation roller (4), transfer roller (3) is connected with magnetic separation roller (4) through belt (17) transmission, the inside of magnetic separation roller (4) is provided with permanent magnetism separation group (5), the top of transport table (2) is provided with down hopper (6), the top of fixed station (1) just is located the below fixedly connected with test box (8) of transport table (2), the bottom fixedly connected with electro-magnet (9) of test box (8) inner chamber, the top sliding connection that test box (8) inner chamber just is located electro-magnet (9) has magnet (10), the top fixedly connected with push pedal (11) of magnet (10), the top fixed mounting of push pedal (11) has flexible film cover (12), one side fixedly connected with spacer sleeve (13) of test box (8), the inside sliding connection of spacer sleeve (13) has test magnet (15), magnet (10) are close to one end fixedly connected with connecting rod (14) of spacer sleeve (13), one end of connecting rod (14) and one side fixed connection of test magnet (15), the fixed hall element (16) that is provided with in top of spacer sleeve (13) inner chamber.

2. The sorting apparatus for municipal solid waste treatment according to claim 1, wherein: the inside of transport table (2) just is located fixed mounting between transfer roller (3) and magnetic separation roller (4) and has division board (18), the inner chamber fixed mounting of division board (18) has electrified body (19), the upper fixed mounting that the inner chamber of division board (18) just is located electrified body (19) has conductor board (20).

3. The sorting apparatus for municipal solid waste treatment according to claim 2, wherein: the bottom of division board (18) and the driving surface contact of belt (17), the length and the transfer roller (3) of division board (18) and the distance phase-match between magnetic separation roller (4).

4. The sorting apparatus for municipal solid waste treatment according to claim 1, wherein: the repulsive magnetic field between the electromagnet (9) and the magnet (10) is larger than the weight of the soft film sleeve (12) and the push plate (11).

5. The sorting apparatus for municipal solid waste treatment according to claim 1, wherein: the isolation sleeve (13) is made of silicon steel material.

6. The sorting apparatus for municipal solid waste treatment according to claim 1, wherein: the output end of the Hall element (16) is electrically connected with the input end of the electrified body (19).

Technical Field

The invention relates to the technical field of municipal waste treatment, in particular to sorting equipment for municipal solid waste treatment.

Background

The municipal solid waste comprises solid waste such as food waste, decoration waste and construction waste, wherein the construction waste contains metal substances such as iron, copper and aluminum alloy and waste such as cement stone, and the metal substances and the cement stone can be separated and then recycled, so that the environment is protected and the cost can be saved. The existing building waste sorting modes comprise flotation, winnowing, spiral current sorting and magnetic separation. Wherein the magnetic separation divide into roughing and choice again, wherein the roughing is to be placed on belt formula magnet separator through building rubbish, then the belt drives building rubbish behind the magnetic separation roller, and no magnetic substance drops from the belt, and magnetic substance drops under the effect of scraper blade behind the magnetic separation roller, then just can collect magnetic substance and carry out recycle.

But because the metallics in the building rubbish is mostly the reinforcing bar, building rubbish is mostly irregular shape simultaneously, and metal object such as reinforcing bar has comparatively sharp-pointed acute angle more, when dropping on the belt from hopper down, receives the influence of the impact force of whereabouts, and metal object such as reinforcing bar inserts the belt easily, and the belt is at the in-process with metal object such as reinforcing bar transportation simultaneously, and the belt receives frictional force's influence at the in-process of transportation with metal object such as reinforcing bar, with belt surface fish tail. When the belt type magnetic separator runs, the scratched position of the belt is gradually torn under the action of the tension force; meanwhile, the construction waste falls onto the return belt through the hole formed by inserting the metal object, is rolled between the roller and the belt, is continuously rubbed between the roller and the belt in operation to cause damage, needs to be detected in time, and prevents the belt from being gradually torn along with the operation of the scratch or the insertion injury position of the belt, so that the belt is damaged.

Disclosure of Invention

Aiming at the defects of the existing sorting equipment for treating the municipal solid waste in the background technology in the using process, the invention provides the sorting equipment for treating the municipal solid waste, which has the advantages of being capable of detecting holes and grooves on a belt in time and solving the problems in the background technology.

The invention provides the following technical scheme: a sorting device for treating urban solid waste comprises a fixed table, wherein the top of the fixed table is fixedly connected with a transport table, the interior of the transport table is rotatably connected with a conveying roller, one end of the interior of the transport table, which is far away from the conveying roller, is rotatably connected with a magnetic separation roller, the conveying roller is connected with the magnetic separation roller through belt transmission, a permanent magnetic separation group is arranged inside the magnetic separation roller, a blanking hopper is arranged above the transport table, the top of the fixed table is fixedly connected with a test box below the transport table, the bottom of the inner cavity of the test box is fixedly connected with an electromagnet, the inner cavity of the test box is slidably connected with an iron-absorbing stone above the electromagnet, the top of the iron-absorbing stone is fixedly connected with a push plate, the top of the push plate is fixedly provided with a soft membrane sleeve, one side of the test box is fixedly connected with an isolation sleeve, and the, one end fixedly connected with connecting rod that the magnet is close to the spacer sleeve, the one end of connecting rod and one side fixed connection of test magnet, the fixed hall element that is provided with in top of spacer sleeve inner chamber.

Preferably, the inside of transport table just is located fixed mounting between transfer roller and the magnetic separation roller and has the division board, the inner chamber fixed mounting of division board has electrified body, the upper fixed mounting that the inner chamber of division board just is located electrified body has the conductor board.

Preferably, the bottom of the isolation plate is in contact with the transmission surface of the belt, and the length of the isolation plate is matched with the distance between the conveying roller and the magnetic separation roller.

Preferably, the repulsive magnetic field between the electromagnet and the magnet is larger than the weight of the soft film sleeve and the push plate.

Preferably, the isolation sleeve is made of silicon steel material.

Preferably, the output end of the hall element is electrically connected with the input end of the charged body.

The invention has the following beneficial effects:

1. the belt magnetic separator is provided with the test magnet, when the belt magnetic separator runs, the damaged position of the belt is gradually torn under the action of tension force, when the positions of scratches and holes on the working surface of the belt move to the inside of the test box, the repulsive magnetic field between the electromagnet and the magnet stone pushes the magnet stone to move upwards, the magnet stone pushes the soft film sleeve to abut against the belt, the soft film sleeve is filled into the scratches and the holes on the working surface of the belt, the connecting rod drives the test magnet to move towards the Hall element, so that the influence of the magnetic field exerted by the test magnet on the Hall element is from weak to strong, the potential difference generated by the Hall element can be detected through the current detector, the obtained potential data is compared with the preset value difference for calculation, if the constant range of the preset value difference is exceeded, the control module is started to stop the belt magnetic separator to run, so that maintenance personnel can repair the damaged position of the belt in time, the belt damage caused by gradual tearing of the scratched or inserted position of the belt along with the operation is prevented.

2. The invention has the advantages that through the arrangement of the isolation plate, when scratches and holes exist on the working surface of the belt, dust and residues falling from the holes generated by belt puncture or scratch can fall onto the back city belt, a stable magnetic field is always applied to the Hall element through the test magnet to enable the Hall element to generate a constant potential difference, meanwhile, the current input by the Hall element is constant, the current output from the Hall element to the circuit is also constant, then the current is input into the charged body, due to the interaction among the charges, the charges in the conductor plate are redistributed, the heterogeneous charges are attracted to the vicinity of the conductor plate, the homogeneous charges are repelled to the other end of the charged body far away from the conductor plate, the surface of the conductor plate generates electrostatic reaction, and the dust and the residues falling from the holes generated by belt puncture or scratch are adsorbed on the surface of the conductor plate, prevent that dust and residue from dropping on the return stroke belt, be drawn into between transfer roller and the belt, cause the condition of belt magnetic separator damage to take place.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic diagram of the operation of the present invention;

FIG. 3 is a schematic cross-sectional view of a test chamber of the present invention;

FIG. 4 is a block diagram of the present invention.

In the figure: 1. a fixed table; 2. a transport table; 3. a conveying roller; 4. a magnetic separation roller; 5. permanent magnetic separation group; 6. feeding a hopper; 7. a squeegee; 8. a test box; 9. an electromagnet; 10. a magnet; 11. pushing the plate; 12. a soft film sleeve; 13. an isolation sleeve; 14. a connecting rod; 15. testing the magnet; 16. a Hall element; 17. a belt; 18. a separator plate; 19. a charged body; 20. a conductor plate.

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. 1-4, a sorting device for urban solid waste treatment comprises a fixed table 1, a transport table 2 is fixedly connected to the top of the fixed table 1, a transport roller 3 is rotatably connected to the inside of the transport table 2, a magnetic separation roller 4 is rotatably connected to one end of the transport table 2, which is far away from the transport roller 3, the transport roller 3 is in transmission connection with the magnetic separation roller 4 through a belt 17, a permanent magnetic separation group 5 is arranged inside the magnetic separation roller 4, a blanking hopper 6 is arranged above the transport table 2, a test box 8 is fixedly connected to the top of the fixed table 1 and below the transport table 2, an electromagnet 9 is fixedly connected to the bottom of an inner cavity of the test box 8, an iron-absorbing stone 10 is slidably connected to the inner cavity of the test box 8 and above the electromagnet 9, a push plate 11 is fixedly connected to the top of the iron-absorbing stone 10, a soft film sleeve 12 is fixedly installed on the, when scratches and holes exist on the working surface of the belt 17, the push plate 11 pushes the soft film sleeve 12 to be filled into the working surface of the belt 17, the distance between the magnet 10 and the electromagnet 9 is increased, whether scratches and holes exist on the belt 17 or not is reflected according to the parameter change of the distance between the magnet 10 and the electromagnet 9, the scraper 7 is fixedly arranged at the top of the fixed table 1 between the test box 8 and the magnetic separation roller 4, the test box 8 is positioned in the return direction of the belt 17 and behind the scraping function of the scraper 7, so that the scribing groove on the belt 17 and the holes pierced by metal objects on the construction waste are not shielded by the construction solid waste, the positions of the scribing groove and the holes on the belt 17 can be accurately detected, and maintenance personnel can timely repair the damaged positions of the belt 17, the belt 17 damage and safety accidents are prevented from being caused by the fact that the position of the belt 17 which is scratched or inserted is continuously torn gradually in operation, an isolation sleeve 13 is fixedly connected to one side of a test box 8, a test magnet 15 is slidably connected to the inside of the isolation sleeve 13, a connecting rod 14 is fixedly connected to one end, close to the isolation sleeve 13, of a magnet 10, one end of the connecting rod 14 is fixedly connected to one side of the test magnet 15, a Hall element 16 is fixedly arranged at the top of the inner cavity of the isolation sleeve 13, when scratches and holes exist on the working surface of the belt 17, a soft film sleeve 12 is filled into the scratches and the holes on the working surface of the belt 17, at the moment, a push plate 11 moves towards the belt 17 and simultaneously drives the magnet 10 to move, the magnet 10 drives the connecting rod 14 to move, the connecting rod 14 drives the test magnet 15 to move towards the Hall element 16, and the influence of the magnetic field applied by the test magnet, the detection module (the current detector is used for detecting the potential difference generated by the Hall element 16) is connected in series in the closed circuit of the Hall element 16, then the potential difference generated by the Hall element 16 can be detected through the current detector, at the moment, the comparison module (comparing and calculating the obtained potential data with the preset value difference, and if the constant range of the preset value difference is exceeded, the comparison module is started (the control module stops the belt type magnetic separator), so that maintenance personnel can repair the damaged position of the belt 17 in time.

Wherein, the inside of the transport table 2 and located between the transport roller 3 and the magnetic separation roller 4 is fixedly installed with the separation plate 18, the cavity of the separation plate 18 is fixedly installed with the charged body 19, the cavity of the separation plate 18 and located above the charged body 19 are fixedly installed with the conductor plate 20, when the belt 17 is not damaged, the test magnet 15 always applies a stable magnetic field to the hall element 16, so that the hall element 16 generates a constant potential difference, and at the same time, the current input by the hall element 16 is constant, the current output from the hall element 16 to the circuit is also constant, and then the current is input into the charged body 19, due to the interaction among the charges, the charges inside the conductor plate 20 are redistributed, the heterogeneous charges are attracted to the vicinity of the conductor plate 20, and the homogeneous charges are repelled to the other end of the charged body 19 far away from the conductor plate 20, so that the surface of the conductor plate 20 generates static electricity, dust and the residue that drop in the hole that produces with belt 17 stabs or the fish tail are adsorbed on conductor plate 20 surface, thereby prevent that dust and residue from dropping and be drawn into between transfer roller 3 and belt 17 on return belt 17, constantly rub between transfer roller 3 and belt 17 in the operation of belt magnetic separator, cause the condition of belt magnetic separator damage to take place.

The bottom of the isolation plate 18 is in contact with the transmission surface of the belt 17, the length of the isolation plate 18 is matched with the distance between the conveying roller 3 and the magnetic separation roller 4, and when scratches and holes are generated on the working surface of the belt 17 under the influence of the building solid waste, residues and dust in the building waste conveyed on the belt 17 cannot fall on the return-to-city belt 17 when falling from the holes, so that the conveying roller 3 and the belt 17 are damaged; meanwhile, when the belt 17 normally runs, the push plate 11 pushes the soft film sleeve 12 to abut against the working surface of the belt 17, the bottom of the isolation plate 18 supports the belt 17, and the belt 17 is prevented from being collided and deformed by the soft film sleeve 12, so that the belt type magnetic separator is influenced in working.

Wherein, the repulsion magnetic field between electro-magnet 9 and the magnet 10 is greater than the weight of soft membrane cover 12 and push pedal 11 for repulsion magnetic field between electro-magnet 9 and the magnet 10 can promote soft membrane cover 12 and remove to belt 17 direction, thereby makes mar and hole on the belt 17 can in time be detected out. Make maintenance personal can in time repair mar and hole on the belt 17, prevent impaired belt 17 when continuing to use, belt 17 is under the effect of tensioning force, and impaired position can tear gradually.

The isolation sleeve 13 is made of silicon steel material, and the silicon steel material has good magnetic isolation performance, so that a repulsive magnetic field generated between the electromagnet 9 and the magnet 10 cannot influence a magnetic field applied to the hall element 16 by the test magnet 15, and the potential difference generated by the hall element 16 cannot be influenced.

The output end of the hall element 16 is electrically connected with the input end of the charged body 19, the stable magnetic field is always applied to the hall element 16 by the test magnet 15, at this time, the current generated by the hall element 16 is input into the charged body 19, due to the interaction between charges, the charges inside the conductor plate 20 are redistributed, the heterogeneous charges are attracted to the vicinity of the conductor plate 20, the homogeneous charges are repelled to the other end of the charged body 19 far away from the conductor plate 20, so that the surface of the conductor plate 20 generates an electrostatic reaction, dust and residues falling from holes generated by the tearing or scratching of the belt 17 are adsorbed on the surface of the conductor plate 20, and the dust and the residues are prevented from falling on the return belt 17 to damage the belt 17, the magnetic separation roller 4 and the conveying roller 3.

The using method of the invention is as follows: building waste falls onto the belt 17 through the lower hopper 6, sharp objects in the lower hopper 6 are influenced by the acceleration during falling to puncture or scratch the belt 17, meanwhile, when the belt 17 drives the building waste, the sharp objects are influenced by the friction force between the belt 17 and the building waste, so that the surface of the belt 17 is scratched, when the belt 17 drives the building waste to move to the position of the magnetic separation roller 4, nonmagnetic substances in the building waste fall down, then magnetic substances in the building waste are driven to the position of the magnetic separation roller 4 far away from the permanent magnetic separation group 5 through the belt 17, and fall into a falling opening formed in the fixed table 1 for collection and recycling due to the action force of an attraction magnetic field of the magnetic separation group 5 on the magnetic substances on the scraper 7 and the scraper 7, and at the moment, the scribing groove on the belt 17 and a hole pierced by a metal object on the building waste are not shielded by the building solid waste, when the position of the scratch and the hole on the working surface of the belt 17 moves to the inside of the test box 8, because the electromagnet 9 is always in the working state, a repulsive magnetic field with mutual exclusion is always kept between the electromagnet 9 and the magnet 10, at the moment, the repulsive magnetic field between the electromagnet 9 and the magnet 10 pushes the magnet 10 to move upwards, at the moment, the magnet 10 pushes the push plate 11 to move, the push plate 11 pushes the soft film sleeve 12 to abut against the belt 17, when the working surface of the belt 17 has no scratch and hole, the belt 17 can continuously work and operate, when the scratch and the hole exist on the working surface of the belt 17, the soft film sleeve 12 is filled into the scratch and the hole on the working surface of the belt 17, at the moment, the push plate 11 moves towards the direction of the belt 17 and simultaneously drives the magnet 10 to move, and at the same time, the magnet 10 drives the connecting rod 14 to move, the test magnet 15 towards the direction of the hall, the influence of the magnetic field applied by the test magnet 15 to the hall element 16 is from weak to strong, the potential difference generated by the hall element 16 can be detected by the current detector, then the comparison module compares the obtained potential data with the preset value difference for calculation, if the constant range of the preset value difference is exceeded, the control module is started, the belt type magnetic separator stops running, so that maintenance personnel can timely repair the damaged position of the belt 17, the position of the belt 17 which is scratched or inserted is prevented from being gradually torn along with running, the belt 17 is prevented from being damaged, the stable magnetic field is always applied to the hall element 16 by the test magnet 15, the hall element 16 generates a constant potential difference, meanwhile, the current input by the hall element 16 is constant, the current output from the hall element 16 to a circuit is also constant current, and then the current is input into the charged body 19, due to the interaction between the charges, the charges in the conductor plate 20 are redistributed, the different charges are attracted to the vicinity of the conductor plate 20, the same charges are repelled to the other end of the charged body 19 far away from the conductor plate 20, so that the surface of the conductor plate 20 generates electrostatic reaction, dust and residue falling from holes generated by the belt 17 being punctured or scratched are adsorbed on the surface of the conductor plate 20, the dust and the residue are prevented from falling on the return belt 17 and are drawn between the conveying roller 3 and the belt 17, and the situation that the belt type magnetic separator is damaged due to continuous friction between the roller and the belt 17 during the operation of the belt type magnetic separator occurs.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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.