CN115738451A

CN115738451A - Solid waste treatment device for environmental protection

Info

Publication number: CN115738451A
Application number: CN202211487642.XA
Authority: CN
Inventors: 刘美全; 肖丽君
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-03-07

Abstract

The invention relates to a solid waste treatment device for environmental protection, which comprises a bracket and an inclined sieve arranged in the bracket, wherein one end of the inclined sieve extends obliquely upwards to the top end of the bracket, the other end of the inclined sieve extends obliquely downwards to the bottom end of the bracket, a drain pipe penetrating through the side part of the bracket and extending upwards to the side part of the bracket is arranged on the side part of a drainage space, a vibrating mechanism is arranged on the sieve surface on the front side of the inclined sieve, and a power source of the arranged vibrating mechanism is derived from a rolling structure through a connecting rod structure, so that the vibrating function is relatively energy-saving, and no extra loss is generated. The spraying mechanism is arranged, the sieve plate can be cleaned regularly by the spraying mechanism, a medium used in spraying is sewage separated in waste treatment, the sewage is sprayed onto the sieve plate through a large number of spray heads on the spray pipe, and the sieve plate is cleaned regularly without generating extra sewage or using extra clean water, so that water source loss is avoided.

Description

Solid waste treatment device for environmental protection

Technical Field

The invention relates to the technical field of industrial production wastewater treatment, in particular to a solid waste treatment device for environmental protection.

Background

The method is characterized in that a large amount of waste water is generated in industrial production or agricultural cultivation, the waste water contains a large amount of impurities, the impurities in the waste water can be separated by adopting inclined screen treatment equipment, the inclined screen treatment equipment comprises an inclined support, a screen plate arranged on the inclined support surface and other mechanisms (such as an inclined screen type dry-wet separator disclosed in the application No. CN 202220448242.7), the waste materials are thrown onto the screen plate from the top end of the support frame, the materials can be discharged downwards along the inclined surface of the material by utilizing the vibration action of the screen plate, and the impurities and the waste water are separated in the discharging process.

The structure of the existing inclined screen type processing device and the defects in practical use are as follows: 1. the vibrating motor needs to be installed on the sieve plate, so that the loss is increased while the service life is influenced. 2. When the sieve plate is used at high frequency, solid and liquid can be separated, filter gaps of the sieve plate can be blocked, and the traditional cleaning mode can additionally increase water energy loss.

Disclosure of Invention

Based on the problems, the invention provides a solid waste treatment device for environmental protection, which can utilize the original rolling mechanism of an inclined screen to vibrate a screen plate and can utilize separated waste water to clean impurities in gaps of the inclined screen plate, and the two functions are arranged without extra loss.

In order to achieve the purpose, the invention provides the following technical scheme:

solid useless processing apparatus based on environmental protection is used, be in including support and setting inclined screen in the support, extend to the top of support on one end of inclined screen to one side, the other end downwardly extending extends to the bottom of support under inclined, the back of inclined screen is equipped with the drainage space, and the lateral part in drainage space is equipped with and runs through to the support lateral part, and upwards extends to being used for implementing abluent blow off pipe to the inclined screen, be equipped with vibration mechanism on the front side sifter of inclined screen, be equipped with the pipe connection on vibration mechanism and spray the mechanism in the blow off pipe, vibration mechanism drive in spray the mechanism to when transmitting its vibration action on the inclined screen, can convert the vibration action into again and be used for driving and spray the mechanism and implement the operation of spraying to the inclined screen, spray the mechanism and can spray to the distal end by the near-end of inclined screen under the vibration mechanism drive, make the sifter of inclined screen can thoroughly spray, install on the support and correspond the inclined screen bottom and be used for implementing the rolling mechanism that rolls before the material, rolling mechanism is connected with vibration mechanism and is transmitted the rotatory connecting rod structure that realizes the vibration action in the vibration mechanism when going on its action.

As further preferred: the top of support is fixed with the inlet pipe, the top of support is fixed with the correspondence and is in near the homocline board of inlet pipe bottom, homocline board corresponds in the inclined screen top, and sets up the homocline hole of a plurality of towards on the length direction of homocline board in the inclined screen sifter top.

As further preferred: the material distributing plate is fixed with a baffle plate which inclines towards the screen surface of the inclined screen, the length of the baffle plate is consistent with that of the material distributing plate, waste materials discharged from the material distributing plate fall on the baffle plate firstly, then slide down on the inclined screen along the inclined plane of the baffle plate, and finally are vibrated by a vibrating mechanism while downwards discharging along the inclined plane of the inclined screen, so that moisture in the materials passes through the screen holes of the inclined screen and falls in a drainage space, and the intercepted materials are rolled on a rolling mechanism along the screen surface and then discharged downwards.

As further preferred: the grinding mechanism comprises first bearing groups fixed on the front two sides of the support, a compression roller rotating between the two first bearing groups, and a motor fixed on the outer side of the support and driven on the compression roller, the compression roller is two and closes on the upper and lower parts, the two compression rollers correspond to the screen surface of the inclined screen, the support is provided with a winding cage type discharging mechanism, and the two compression rollers are located at the bottom end of the inclined screen and close on the winding cage type discharging mechanism.

As further preferred: the bottom of inclined screen is equipped with in order keeping away from the perk portion of its direction bending, the perk portion shelters from between compression roller and hank cage discharge mechanism.

As further preferred: the vibrating mechanism comprises second bearing groups fixed on two sides of the middle of the support, a rotating rod rotating between the two second bearing groups, a crankshaft arranged in the middle of the rotating rod and a vibrating frame connected between two inner walls of the support through a spring, two ends of the vibrating frame bend downwards and are connected to an inclined screen surface, a hinged support in transmission connection with the crankshaft is arranged on the top surface of the vibrating frame through a connecting rod, one end of the rotating rod extends to the side of the support, the connecting rod structure is in transmission connection between the rotating rod and a compression roller, so that the compression roller drives the rotating rod to synchronously rotate through the connecting rod structure when rotating, the rotating rod drives the vibrating frame through the crankshaft and the hinged support to drive the inclined screen to complete vibrating action, the spraying mechanism comprises a drainage pipe extending out from a drainage space and then along the side of the support, a water inlet fixed on the support is connected to the drainage pipe, a drainage pipe connected to a water outlet of the water pump, a branch pipe connected to the drainage pipe and provided with a valve, two groups of transmission shafts are welded on two sides of the second bearing groups, two groups of transmission shafts are respectively provided with a transmission shaft, two symmetrical vertical transmission shafts, a row of transmission shafts are connected with two nozzle plates, and a nozzle is arranged on the two cam structures, and a nozzle is arranged between the two groups of the rotating rod and is driven by a rotating cam structure, and a rotating mechanism, and a nozzle is driven by a rotating cam mechanism, and a rotating nozzle is arranged between two cam mechanism, and a rotating shaft, and a rotating nozzle is arranged between two cam mechanism, and a rotating nozzle is arranged on the two cam.

As further preferred: the spray head on one spray pipe inclines towards one end of the inclined screen, the spray head on the other spray pipe inclines towards the other end of the inclined screen, and a tension spring which enables the transmission shaft to rotate and reset is connected between the two ends of the transmission shaft and the vertical plate.

As further preferred: the cam structure comprises a lug fixed on the rotating rod and an eccentric cam fixed on the transmission shaft and in contact with the lug.

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

the vibrating mechanism is arranged and replaces the existing vibrating motor, the power of the vibrating mechanism is derived from the rolling mechanism connected through the connecting rod structure, the rolling mechanism is located at the bottom end of the sieve plate, the rolling mechanism is the existing structure on the inclined sieve, and therefore the power source of the vibrating mechanism is derived from the rolling structure through the connecting rod structure, so that the vibrating function is more energy-saving, and extra loss can not be generated. The sieve plate cleaning device is provided with the spraying mechanism, the sieve plate can be cleaned regularly by the spraying mechanism, a medium used in spraying is sewage separated in waste treatment, the sewage is sprayed onto the sieve plate through a large number of spray heads on the spray pipe, the sieve plate is cleaned regularly, no extra sewage is produced, no extra clean water is used, and therefore no water source loss is produced.

Drawings

FIG. 1 is a schematic view of the present invention in a front side view (in a bevel view of a bevel screen);

FIG. 2 is a schematic structural view of the present invention from FIG. 1, showing a north-off view;

FIG. 3 is a schematic view of the present invention from the back of FIG. 2, with the back broken away, showing the drainage space;

FIG. 4 is a schematic side plan view of the present invention;

fig. 5 is a schematic view of the inner structure of the present invention after being cut open.

Names of accessories in the drawings: 1. a support; 2. screening obliquely; 3. a drainage space; 4. a blow-off pipe; 5. a vibration mechanism; 51. a second bearing set; 52. a rotating rod; 53. a crankshaft; 54. a vibration frame; 6. a spraying mechanism; 61. a drain pipe; 62. a water pump; 63. a water discharge pipe; 64. a branch pipe; 65. a nozzle; 66. a spray head; 7. a rolling mechanism; 71. a first bearing set; 72. a compression roller; 8. a connecting rod structure; 9. a feed pipe; 10. material homogenizing plates; 11. material homogenizing holes; 12. a baffle plate; 13. a discharging mechanism; 14. a vertical plate; 15. a drive shaft; 16. a cam structure; 161. a bump; 162. an eccentric cam; 17. a tension spring.

Detailed Description

The technical solutions of the present invention will be described in detail and fully with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments, but not all embodiments, of the present invention. 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.

In the description of the present invention, it should be noted that the orientations or positional relationships indicated as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., appear based on the orientations or positional relationships shown in the drawings only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be specifically understood by those skilled in the art.

Referring to the attached drawings 1-5, based on a solid waste treatment device for environmental protection, including support 1 and inclined screen 2 of setting in support 1, the one end of inclined screen 2 extends to the top of support 1 to one side, the other end extends to the bottom of support 1 to one side, can make from its top landing to accomplish solid-liquid separation in the in-process of arranging the material in the discarded object of bottom when inclined screen 2 vibrates, the back of inclined screen 2 is equipped with drainage space 3, the moisture that filters off passes inclined screen 2's filtration pore and falls in drainage space 3, the waste residue then continues the landing along inclined screen 2's sifter. The lateral part of the drainage space 3 is provided with a drainage pipe 4 penetrating to the lateral part of the bracket 1, the drainage pipe 4 is provided with a valve, sewage filtered in the drainage space 3 during vibration can be stored according to needs, and the valve can be opened to discharge the sewage thoroughly. Be equipped with vibration mechanism 5 on the front side sifter of inclined screen 2, be equipped with pipe connection in blow off pipe 4 on the vibration mechanism 5 and spray mechanism 6, vibration mechanism 5 drives in spraying mechanism 6, in order to transmit its vibration action on inclined screen 2, can convert the vibration action into again and be used for driving and spray mechanism 6 and implement the operation of spraying to inclined screen 2, spray mechanism 6 and can spray to the distal end by the near-end of inclined screen 2 under the vibration mechanism 5 drive, make the sifter of inclined screen 2 thoroughly spray, install on the support 1 and correspond and be used for implementing the rolling mechanism 7 who rolls the processing before the material ejection of compact in the 2 bottom of inclined screen, rolling mechanism 7 is connected with vibration mechanism 5 and rolls the action rotation with it and transmit the link structure 8 that realizes the vibration action in vibration mechanism 5 when going on.

As further preferred: be fixed with on the homocline board 10 towards the baffle 12 in the slope of 2 sifters of inclined screen, the length of baffle 12 is unanimous with homocline board 10, make from the waste material of discharging on homocline board 10 fall on baffle 12 earlier, then along the inclined plane landing of baffle 12 on inclined screen 2, at last along the downward ejection of compact of inclined plane of inclined screen 2, by the vibration of vibrating mechanism 5 again, so that moisture in the material passes the sieve mesh of inclined screen 2 and falls in drainage space 3, and the material of interception is then along the sifting landing on rolling mechanism 7 by the processing back down ejection of compact.

As further preferred: the rolling mechanism 7 comprises first bearing groups 71 fixed on two front sides of the support 1, a press roller 72 rotating between the two first bearing groups 71, and a motor 73 fixed on the outer side of the support 1 and driven to the press roller 72, the press rollers 72 are arranged at two positions and close to each other up and down, the two press rollers 72 correspond to the screen surface of the inclined screen 2, the support 1 is provided with a winch type discharging mechanism 13, and the two press rollers 72 are positioned at the bottom end of the inclined screen 2 and close to the winch type discharging mechanism 13.

As further preferred: the vibrating mechanism 5 comprises second bearing sets 51 fixed at two sides of the middle of the bracket 1, a rotating rod 52 rotating between the two second bearing sets 51, a crankshaft 53 arranged at the middle of the rotating rod 52 and a vibrating frame 54 connected between two inner walls of the bracket 1 through a spring, two ends of the vibrating frame 54 are bent downwards and connected to the surface of the inclined screen 2, the top surface of the vibrating frame 54 is provided with a hinged support 55 in transmission connection with the crankshaft 53 through a connecting rod, one end of the rotating rod 52 extends to the side part of the bracket 1, the connecting rod structure 8 is in transmission connection between the rotating rod 52 and a press roller 72, so that the press roller 72 drives the rotating rod 52 to synchronously rotate through the connecting rod structure 8 when rotating, so that the rotating rod 52 drives the vibrating frame 54 through the crankshaft 53 and the hinged support 55 to drive the inclined screen 2 to complete the vibrating action, the spraying mechanism 6 comprises a drain pipe 61 extending from the drainage space 3 and along the side of the bracket 1, a water pump 62 fixed on the bracket 1 and having an inlet connected to the drain pipe 61, a drain pipe 63 connected to the outlet of the water pump 62, and a branch pipe 64 connected to the drain pipe 63 and having a valve, wherein two sets of vertical plates 14 symmetrical to two sides of the second bearing set 51 are welded to two sides of the bracket 1, a transmission shaft 15 symmetrical to two sides of the rotating rod 52 is respectively installed between the two sets of vertical plates 14 through a bearing, two spray pipes 65 bound to the transmission shaft 15 are connected to the pipe orifice of the branch pipe 64, a row of spray heads 66 are respectively arranged on the two spray pipes 65, a cam structure 16 in contact with each other is arranged between the rotating rod 52 and the two transmission shafts 15, and the rotating rod 52 drives the transmission shaft 15 to rotate in half a circle through the cam structure 16 when rotating, so that the spray pipes 65 drive the spray heads 66 to aim at the inclined screen 2 for spraying action from far to near or from near to far.

As further preferred: the spray head 66 on one spray pipe 65 is inclined towards one end of the inclined screen 2, the spray head 66 on the other spray pipe 65 is inclined towards the other end of the inclined screen 2, a tension spring 17 for enabling the two ends of the transmission shaft 15 to rotate and reset is connected between the two ends of the transmission shaft 15 and the vertical plate 14, and the cam structure 16 comprises a lug 161 fixed on the rotating rod 52 and an eccentric cam 162 fixed on the transmission shaft 15 and in contact with the lug 161.

The top of support 1 is fixed with inlet pipe 9, during the in-service use, inlet pipe 9 and third party lifting means pipe connection, third party lifting means promotes technology waste material (discarded object) in inlet pipe 9 and falls on mixing board 10, mixing board 10 corresponds in inclined sieve 2 top, when the waste material flows on mixing board 10, can distribute in each mixing hole 11, then by each mixing hole 11 even landing to baffle 12, by baffle 12 even landing to inclined sieve 2, when in-service use, or with baffle 12 also or with mixing board 10 through elastic component such as spring connect in inclined sieve 2, can act on baffle 12 or mixing board 10 with the vibration effect during inclined sieve 2 vibration, utilize the vibration action to make the waste material obtain evenly distributed, be convenient for solid-liquid separation.

When the device is used, the waste is lifted to the material homogenizing plate 10 by a lifting device (such as a lifter, a material conveying machine and the like), the waste is discharged to the baffle plate 12 through the material homogenizing holes 11 on the material homogenizing plate 10, then the waste slides to the inclined screen 2 along the inclined surface of the baffle plate 12, meanwhile, the motor 73 is electrified to work and drives the two pressing rollers 72 to synchronously rotate, the pressing rollers 72 synchronously rotate and simultaneously drive the rotating rods 52 to rotate through the connecting rod structures 8, the rotating rods 52 drive the crankshafts 53 to rotate, the crankshafts 53 drive the vibrating frames 54 to complete the vibrating action through the hinged supports 55, meanwhile, the bent parts at two ends of the vibrating frames 54 drive the inclined screen 2 to synchronously vibrate, so that the purpose of screening the waste while vibrating is achieved in the material discharging process of the inclined screen 2, the impurities slide to the rolling mechanism 7 in the material screening process, the filtered sewage passes through the screen holes to fall into the drainage space 3 and is discharged outwards through the drain pipe 4, the impurities slide to the rolling mechanism 7 after passing through the two rolling mechanisms 72, the secondary discharge mechanism is discharged to the outside, the waste is discharged and the waste can be processed by the vibration mechanism 5 independently, and the vibration mechanism 5, and the vibration mechanism can be driven by the vibration mechanism 5.

And the rotating rod 52 in the vibrating mechanism 5 also can intermittently contact with the eccentric cam 162 by using the bumps 161 at both ends while rotating, as known from the existing cam transmission principle, when the irregularly-shaped bumps 161 contact with the eccentric cam 162, the eccentric cam 162 can drive the branch pipes 64 to rotate along with the transmission shaft 15 where the branch pipes 64 are located (rotate for half a cycle until the cam surfaces rotate for half a cycle again when extrusion relation occurs again), and all the spray heads 66 arranged on the branch pipes 64 can synchronously rotate along with the branch pipes, and by using the principle, the spraying function is arranged on the device for cleaning the used inclined sieve 2, and as the filtering holes of the inclined sieve 2 are blocked after use, impurities and sewage are difficult to separate when the inclined sieve is used subsequently, the function is arranged, so that the inclined sieve 2 can be washed before use, and the principle is as follows: the vibration device of the invention is in idle running (namely, the throwing of wastes on the inclined screen 2 is stopped, but the vibration mechanism 5, the connecting rod structure 8 and other mechanisms are made to work as usual), and simultaneously the water pump 62 is started to open the valve on the water discharge pipe 61, so that the sewage which falls into the water discharge space 3 and temporarily stored in the water discharge space at the last solid-liquid separation is sent into the water discharge pipe 63 from the water discharge pipe 61 and distributed into the two spray pipes 65 through the water discharge pipe 63, and then sprayed onto the inclined screen 2 by the spray heads 66 on the two spray pipes 65, when the vibration action is carried out, the two spray pipes 65 are driven to carry out high-frequency secondary half-circle rotation action by utilizing the series of transmission relations through the cam principle finally, and the spray heads 66 are aligned with the inclined screen 2 to complete the flushing action from near to far to near by utilizing the half-circle rotation action, so that the impurities in the filter holes or gaps of the spray heads 66 are cleaned at the last solid-liquid separation. In the whole cleaning process, extra sewage is not generated, the washed sewage passes through the filter holes and still falls into the drainage space 3 on the back, and an extra water source is not used, so that water source loss is avoided, and the power of the spraying function (cleaning or washing) is also derived from the vibrating mechanism 5, so that the water flow impact can be improved through the vibrating action of the inclined screen 2 during no-load operation, and the washing efficiency is accelerated.

The bottom end of the inclined screen 2 is provided with a tilting part 21 which is bent in a direction away from the inclined screen, and the tilting part 21 is shielded between the press roller 72 and the winch type discharging mechanism 13. The waste crushed by the pressing roller 72 is temporarily intercepted by the raised portion 21 in order to ensure that the squeezed water of the waste can pass through the filtering holes of the inclined screen 2 and fall into the discharge space 3 again within a few seconds after the intercepted water is crushed. The waste slag will cross the tilting part 21 and fall into the screw-type discharging mechanism 13 with the continuous rolling action of the press roller 72, and is conveyed by the screw-type discharging mechanism to be discharged outwards.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims

1. Solid useless processing apparatus based on environmental protection usefulness, include support (1) and set up inclined screen (2) in support (1), its characterized in that: one end of inclined screen (2) is gone up to extend to the top of support (1) to one side, and the other end extends to the bottom of support (1) down to one side, the back of inclined screen (2) is equipped with drainage space (3), and the lateral part of drainage space (3) runs through and has blow off pipe (4), has the valve on blow off pipe (4), be equipped with vibration mechanism (5) on the front side sifter of inclined screen (2), be equipped with pipeline connection in blow off pipe (4) on vibration mechanism (5) spray mechanism (6), vibration mechanism (5) drive in spray mechanism (6) to when transmitting its vibration action on inclined screen (2), can convert the vibration action into and be used for driving spray mechanism (6) and implement the operation of spraying to inclined screen (2) again, spray mechanism (6) can be sprayed to the distal end by the near-end of inclined screen (2) under vibration mechanism (5) drive, make the sifter of inclined screen (2) thoroughly spray, install on support (1) and correspond and be used for implementing the processing material before inclined screen (2) the top of grinding mechanism (7) and grinding mechanism (5) are connected with vibration mechanism (8) and grinding mechanism (5) and grinding mechanism (8).

2. The solid waste treatment device for environmental protection according to claim 1, wherein: the top of support (1) is fixed with inlet pipe (9), the top of support (1) is fixed with the correspondence and is in near the homocline board (10) of inlet pipe (9) bottom, homocline board (10) correspond in inclined sieve (2) top, and offer a plurality of on the length direction of homocline board (10) towards homocline hole (11) on inclined sieve (2) sifter top.

3. The solid waste treatment device for environmental protection according to claim 1, wherein: be fixed with on homocline board (10) towards baffle (12) of inclined to one side sieve (2) sifter slope, the length of baffle (12) is unanimous with homocline board (10), makes on homocline board (10) exhaust waste material fall on baffle (12) earlier, then slips on inclined plane in inclined sieve (2) along the inclined plane of baffle (12), and at last when the inclined plane ejection of compact downwards along inclined plane in inclined sieve (2), is vibrated by vibrating mechanism (5) again, so that the sieve mesh that moisture in the material passed inclined sieve (2) falls in drainage space (3), and the material of interception is then along the sifter landing by the discharge under after rolling process on rolling mechanism (7).

4. The solid waste treatment device for environmental protection according to claim 3, wherein: grinding mechanism (7) including fix first bearing group (71) in the preceding both sides of support (1), rotate compression roller (72) between two first bearing group (71) to and fix in support (1) outside and drive motor (73) in compression roller (72), compression roller (72) are two, and close on from top to bottom, and two compression rollers (72) are corresponding on the sifter of inclined screen (2), be equipped with hank cage discharge mechanism (13) on support (1), two compression rollers (72) are located the bottom of inclined screen (2) and are close to in hank cage discharge mechanism (13).

5. The solid waste treatment device for environmental protection according to claim 4, wherein: the bottom of inclined screen (2) is equipped with in order keeping away from in its direction crooked perk portion (21), perk portion (21) shelter from between compression roller (72) and hank cage discharge mechanism (13).

6. The solid waste treatment device for environmental protection according to claim 4, wherein: the vibrating mechanism (5) comprises second bearing groups (51) fixed on two sides of the middle of the support (1), a rotating rod (52) rotating between the two second bearing groups (51), a crankshaft (53) arranged in the middle of the rotating rod (52) and a vibrating frame (54) connected between two inner walls of the support (1) through a spring, two ends of the vibrating frame (54) are bent downwards and connected to the surface of the inclined screen (2), the top surface of the vibrating frame (54) is provided with a hinged support (55) in transmission connection with the crankshaft (53) through a connecting rod, one end of the rotating rod (52) extends to the side of the support (1), the connecting rod structure (8) is in transmission connection between the rotating rod (52) and a press roller (72), so that the press roller (72) drives the rotating rod (52) to rotate synchronously through the connecting rod structure (8) when rotating, the rotating rod (52) drives the frame (54) to drive the inclined screen (2) to complete vibrating action through the crankshaft (53) and the hinged support (61), the spraying mechanism (6) is connected to the water outlet (61) of the water pump support (3) and the water outlet (61) which extends out of the water pump support (1) and is fixed on the water outlet pipe (61) of the water pump (1), and the water outlet (61) which is arranged on the water discharging pipe (61) after the water discharging pipe (61) of the water pump (1), and the water discharging pipe (61) is connected to complete vibrating mechanism (1), and the water discharging pipe (6) The valve-mounted water spraying device comprises a branch pipe (64) which is connected to a water discharging pipe (63) and is provided with a valve, two groups of vertical plates (14) which are symmetrical to two sides of a second bearing group (51) are welded to two sides of a support (1), a transmission shaft (15) which is symmetrical to two sides of a rotating rod (52) is mounted between the two groups of vertical plates (14) through bearings, two spray pipes (65) which are bound on the transmission shaft (15) are connected to pipe openings of the branch pipe (64), a row of spray heads (66) are arranged on the two spray pipes (65), a cam structure (16) which is in contact with each other is arranged between the rotating rod (52) and the two transmission shafts (15), and the rotating rod (52) drives the transmission shaft (15) to rotate in half cycle through the cam structure (16) when rotating, so that the spray pipes (65) drive the spray heads (66) to aim at the inclined screen (2) for spraying action from far to near or from near to far.

7. The solid waste treatment device for environmental protection according to claim 5, wherein: the spray head (66) on one spray pipe (65) slantly faces one end of the inclined screen (2), the spray head (66) on the other spray pipe (65) slantly faces the other end of the inclined screen (2), and a tension spring (17) which enables the transmission shaft (15) to rotate and reset is connected between the two ends of the transmission shaft and the vertical plate (14).

8. The solid waste treatment device for environmental protection according to claim 6, wherein: the cam structure (16) comprises a lug (161) fixed on the rotating rod (52) and an eccentric cam (162) fixed on the transmission shaft (15) and in contact with the lug (161).