CN214367854U

CN214367854U - A inflatable slide valve for hazardous waste handles

Info

Publication number: CN214367854U
Application number: CN202023335255.3U
Authority: CN
Inventors: 王传勇; 王响云; 秦意波; 甘文义
Original assignee: Beijing Ensa Engineering Co ltd
Current assignee: Beijing Ensa Engineering Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-10-08
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses an inflatable slide valve for hazardous waste handles, including main frame, the auxiliary tank, flashboard and drive arrangement, the right-hand end seal that wears with the auxiliary tank of the right side board of main frame is connected, the right side board of main frame is equipped with the mouth of wearing that supplies the flashboard to remove, the flashboard is connected with drive arrangement, on main frame, on the lower side inboard wall respectively the rigid coupling supply flashboard reciprocating motion's guide rail structure, before the inboard ring joint of main frame, back seal structure, the mouth of wearing is located before, between the back seal structure, preceding, the splice inflatable seal circle in the recess of back seal structure, inflatable seal circle includes that the cross-section is concave type body, be equipped with the arch on the notch diapire of body, before aerifing, inflatable seal circle with the flashboard contactless, after aerifing, the both sides convex part of the inflatable seal circle's of preceding seal structure's inflatable seal circle's body and the sealed cooperation of protruding antetheca outer fringe with the back wall of flashboard, the convex part of the inflatable seal circle's of back seal circle's body both sides and the sealed cooperation of protruding and the sealed of the back wall outer fringe of flashboard And the inflatable sealing ring is communicated with the air nozzle.

Description

A inflatable slide valve for hazardous waste handles

Technical Field

The utility model belongs to the technical field of the environmental protection equipment relates to the useless processing of danger, specifically is an inflatable slide valve for hazardous waste handles.

Background

In the dangerous waste treatment process, the gate valve is mainly used for providing a sealing function for a dangerous waste bin/hopper. The conventional gate valve is influenced by processing and assembling precision, the consistent gap between the gate and the sealing element cannot be ensured, and the sealing gap can be changed in the opening and closing process of the gate, so that the gate valve has poor sealing performance; meanwhile, the sealing element is in direct contact with the flashboard, and in the process of opening and closing the flashboard, direct friction between the flashboard and the sealing element is inevitably caused, so that the service life of the sealing element is shortened, the sealing element is frequently damaged, and harmful dust, smoke and the like in the hazardous waste treatment process are caused to leak.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the above-mentioned technical problem and provide an inflatable slide valve for hazardous waste handles, this slide valve can install before the dangerous waste bin/hopper of horizontal feeding, and horizontal dress, perpendicular dress all can, and it is sealed effectual, not fragile sealing element.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an inflatable gate valve for treating dangerous waste comprises a main frame, an auxiliary box, a gate plate and a driving device, wherein the right side of a right side plate of the main frame is sealed with a penetrating end of the auxiliary box, a penetrating opening for the movement of the gate plate is formed in the right side plate of the main frame, the gate plate is connected with the driving device, guide rail structures for the reciprocating movement of the gate plate are fixedly connected to the inner walls of an upper side plate and a lower side plate of the main frame respectively, the inner side of the main frame is connected with a front sealing structure and a rear sealing structure in an annular mode, the penetrating opening is located between the front sealing structure and the rear sealing structure, the front sealing structure and the rear sealing structure are the same in structure, an inflatable sealing ring is connected to a groove of the front sealing structure in a glued mode, the inflatable sealing ring is connected to a groove of the rear sealing structure in a glued mode, the cross section of the inflatable sealing ring comprises a body, a bulge is arranged on the bottom wall of a notch of the gate plate body, the inflatable sealing ring is not in contact with the inflatable sealing ring before inflation, and after inflation, convex parts and bulges on two sides of the body of the inflatable sealing ring of the front sealing structure are in sealing fit with the outer edge of the front wall of the flashboard, convex parts and bulges on two sides of the body of the inflatable sealing ring of the rear sealing structure are in sealing fit with the outer edge of the rear wall of the flashboard, and the inflatable sealing ring is communicated with the air nozzle.

The driving device is a hydraulic cylinder which is fixedly connected with a right plate body of the auxiliary box, and the piston rod extends into the auxiliary box through the right plate body and is connected with the flashboard.

The guide rail structure comprises a fixing frame, the fixing frame comprises a vertical bottom plate, a front supporting transverse plate and a rear supporting transverse plate, the bottom plate is fixedly connected to the inner walls of the upper side plate and the lower side plate of the main frame, a plurality of vertical supporting shafts which are arranged at intervals are arranged between the front supporting transverse plate and the rear supporting transverse plate, guide wheels are respectively arranged on the vertical supporting shafts, and the flashboard slides along the wheel grooves.

Preceding seal structure include the seal frame with inflatable seal circle, this seal frame is the F type, including diaphragm and two risers, diaphragm between two risers and the two risers forms the recess all links firmly preceding connection diaphragm and back connection diaphragm on the left side board and the right side board of this main frame, and the diaphragm of the left and right both sides of preceding seal structure seal frame is located preceding connection diaphragm, and the diaphragm of the left and right both sides of back seal structure seal frame is connected at the back of back connection diaphragm.

The transverse plates at the upper side and the lower side of the front sealing structure sealing frame are positioned in front of the front supporting transverse plate, and the transverse plates at the upper side and the lower side of the sealing frame of the rear sealing structure are connected behind the rear supporting transverse plate.

Adjusting gaskets are respectively clamped between the transverse plate of the sealing frame of the front sealing structure and the corresponding front supporting transverse plate and front connecting transverse plate, and adjusting gaskets are respectively clamped between the transverse plate of the sealing frame of the rear sealing structure and the corresponding rear supporting transverse plate and rear connecting transverse plate.

The main frame is formed by four U-shaped plates in a surrounding connection mode, and notches of the U-shaped plates face outwards.

The lower part of the main frame is provided with a supporting roller, the supporting roller is provided with a lead screw and a nut, the height of the lead screw can be adjusted, and the lead screw is fixed on the left side wall and the right side wall of the main frame.

The working pressure of the inflatable sealing ring is 0.05-0.1 MPa.

The utility model has the advantages that: the utility model effectively solves the problem of gate valve leakage caused by inconsistent gap between the gate plate and the sealing structure or the change of the sealing gap in the opening and closing process of the gate plate; meanwhile, the friction between the gate plate and the sealing element in the movement process is avoided, the abrasion of the sealing element is reduced, and the service life of the gate plate valve is prolonged; the clearance between the inflatable sealing gasket and the flashboard is adjustable by additionally arranging the adjusting gasket, the processing requirement and the assembly requirement of parts in the manufacturing process are reduced, and the use cost of equipment is greatly reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention, the embodiments will be described below with reference to the accompanying drawings.

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

Fig. 2 is a schematic side view of the present invention.

Fig. 3 is a schematic top view of the present invention.

Fig. 4 is a partially enlarged view of a portion a in fig. 2.

Fig. 5 is a partially enlarged view of fig. 3 at B.

Fig. 6 is a partial schematic view of the inflatable sealing ring after inflation.

FIG. 7 is a schematic view showing the structure of the air faucet.

Detailed Description

The following description is given by way of example only, and not by way of limitation, of the scope of the invention.

As shown in fig. 1 to 7, in accordance with a preferred embodiment of the present invention, an inflatable gate valve for hazardous waste treatment includes a main frame 1, a sealing structure, a guide rail structure, a sub-tank 4, a gate 5, and a driving device. The driving device is provided with a hydraulic cylinder 6 with an optimized inner part provided with a proximity switch, and can accurately control the closing and opening of the flashboard; the main frame 1 is square and is formed by connecting four U-shaped steels in a surrounding way, and the notches of the U-shaped steels face outwards; the right side of the right side plate 11 of the main frame 1 is sealed with the left through opening of the auxiliary box 4, the right side plate 11 of the main frame 1 is provided with a through opening 111 for the movement of the gate plate 5, the gate plate 5 is connected with the piston rod of the hydraulic cylinder 6, a guide rail structure for the reciprocating movement of the gate plate 5 is welded on the inner walls of the upper side plate and the lower side plate of the main frame 1, preferably, the guide rail structure comprises a fixed frame which is approximately pi-shaped and comprises a vertical bottom plate 30, a front supporting transverse plate 31 and a rear supporting transverse plate 32, the bottom plate 30 is welded on the inner walls of the upper side plate and the lower side plate of the main frame 1, a plurality of vertical supporting shafts which are arranged at intervals are arranged between the front supporting transverse plate 31 and the rear supporting transverse plate 32, each vertical supporting shaft is respectively provided with a guide wheel 33, the upper end and the lower end of the gate plate 5 slide along the corresponding wheel groove, the guide can effectively provide the guide for the movement of the gate plate, and avoid the occurrence of piston bite caused by the deviation in the movement of the gate plate, the hydraulic cylinder is stuck and the like.

The sealing structure is annularly connected to the inner side of the main frame and comprises a front sealing structure and a rear sealing structure which are identical in structure, and the penetrating opening 111 is located between the front sealing structure and the rear sealing structure; the front sealing structure comprises a sealing frame 21 and an inflatable sealing ring 22, wherein the sealing frame 21 is F-shaped and comprises a transverse plate 211 and two vertical plates 212, the two vertical plates and the transverse plate between the two vertical plates form a groove for accommodating the inflatable sealing ring, and a fillet transition is arranged at the corner of the groove to avoid cutting the inflatable sealing ring; a rubber cushion block is arranged between the bottom wall of the groove and the inflatable sealing ring, and the inflatable sealing ring is glued on the cushion block, so that the inflatable sealing ring is ensured not to fall off in work. The inflatable sealing ring 22 comprises a body 221 with a concave section, a bulge 222 is arranged in the middle of the bottom wall of a notch of the body, before inflation, the height of the bulge 222 is lower than that of convex parts at two sides of the body 221, the inflatable sealing ring 22 is communicated with an air nozzle 24, compressed air is introduced into or discharged from the air nozzle, the inflatable sealing ring can be expanded or restored, the working pressure of the inflatable sealing ring is 0.05-0.1 MPa, and the sealing performance of the gate valve can be improved by adjusting the pressure of the compressed air filled into the inflatable sealing ring; when the flashboard moves to a specified position, compressed air is introduced into the inflatable sealing ring to expand the volume of the sealing ring, so that convex parts and bulges at two sides of the body of the inflatable sealing ring of the front sealing structure are in sealing fit with the outer edge of the front wall of the flashboard, and convex parts and bulges at two sides of the body of the inflatable sealing ring of the rear sealing structure are in sealing fit with the outer edge of the rear wall of the flashboard; the transverse plates at the upper side and the lower side of the front sealing structure sealing frame are positioned in front of the front supporting transverse plate, and the transverse plates at the upper side and the lower side of the sealing frame of the rear sealing structure are connected with the rear of the rear supporting transverse plate; the left side plate and the right side plate of the main frame are welded with a front connecting transverse plate and a rear connecting transverse plate, the transverse plates on the left side and the right side of the sealing frame of the front sealing structure are positioned in front of the front connecting transverse plate, and the transverse plates on the left side and the right side of the sealing frame of the rear sealing structure are connected behind the rear connecting transverse plate.

A front adjusting gasket is clamped between the transverse plate of the sealing frame of the front sealing structure and the corresponding front supporting transverse plate and front connecting transverse plate, and a rear adjusting gasket is respectively clamped between the transverse plate of the sealing frame of the rear sealing structure and the corresponding rear supporting transverse plate and rear connecting transverse plate; the gap between the inflatable sealing ring and the gate plate can be adjusted by changing the thickness of the adjusting gasket, so that the manufacturing difficulty of the gate valve is reduced, and the sealing performance of the gate valve is improved.

The lower part of the main frame 1 is provided with a supporting roller 7, the supporting roller is provided with a screw rod and a nut, the height of the roller can be adjusted, and the screw rod is fixed on the left side wall and the right side wall of the main frame; after the material passes through the gate valve, the supporting roller can continue to support the material, so that the material smoothly enters the dangerous waste treatment bin.

Inflatable sealing washer adopts the silica gel material, and the pliability is good, ageing-resistant, receives internal pressure to take place to warp after letting in compressed air, can carry out automatic compensation to the inhomogeneous clearance between inflatable seal and the flashboard, improves the slide valve sealing performance.

If the gate valve needs to be opened, compressed air in the inflatable sealing ring is firstly discharged through the electromagnetic directional valve on the air tap, at the moment, the inflatable sealing ring is recovered and separated from the gate plate, then the gate plate is driven by the hydraulic cylinder to move towards the right side along the guide wheel, and the gate plate is stopped when moving to a specified position through the limit switch arranged in the hydraulic cylinder, so that the gate valve is opened. Before the gate valve is closed, the inflatable sealing ring is in a non-sealing state, and the gate is not in direct contact with the inflatable sealing ring; the hydraulic cylinder pushes the gate plate to move to a designated position along the guide wheel, and then compressed air is introduced into the inflatable sealing ring through the air tap to enable the inflatable sealing ring to expand in volume and contact with the gate plate so as to compensate uneven gaps between the sealing structure and the gate plate, and therefore sealing of the gate plate valve is achieved.

Claims

1. An inflatable gate valve for treating dangerous waste is characterized by comprising a main frame, an auxiliary box, a gate plate and a driving device, wherein the right side of a right side plate of the main frame is sealed with a penetrating end of the auxiliary box, a penetrating opening for the gate plate to move is formed in the right side plate of the main frame, the gate plate is connected with the driving device, guide rail structures for the gate plate to move in a reciprocating mode are fixedly connected to the inner walls of an upper side plate and a lower side plate of the main frame respectively, the inner side of the main frame is connected with a front sealing structure and a rear sealing structure in an annular mode, the penetrating opening is located between the front sealing structure and the rear sealing structure, the front sealing structure and the rear sealing structure are identical in structure, an inflatable sealing ring is connected to a groove of the front sealing structure in an adhesive mode, an inflatable sealing ring is connected to a groove of the rear sealing structure in an adhesive mode, the inflatable sealing ring comprises a body with a concave section, a bulge is arranged on the bottom wall of a notch of the body, and is not in contact with the gate plate before inflation, after inflation, the convex parts and the bulges on the two sides of the inflatable sealing ring body of the front sealing structure are in sealing fit with the outer edge of the front wall of the flashboard, the convex parts and the bulges on the two sides of the inflatable sealing ring body of the rear sealing structure are in sealing fit with the outer edge of the rear wall of the flashboard, and the inflatable sealing ring is communicated with the air nozzle.

2. An inflatable slide valve for hazardous waste disposal according to claim 1, wherein said driving means is a hydraulic cylinder, which is fixedly attached to a right plate of said sub-tank, and a piston rod extends into said sub-tank through said right plate and is connected to said slide.

3. The inflatable gate valve for hazardous waste disposal according to claim 1 or 2, wherein the rail structure comprises a fixing frame, the fixing frame comprises a vertical bottom plate, a front supporting transverse plate and a rear supporting transverse plate, the vertical bottom plate is fixedly connected to the inner walls of the upper and lower side plates of the main frame, a plurality of vertical supporting shafts arranged at intervals are installed between the front supporting transverse plate and the rear supporting transverse plate, each vertical supporting shaft is respectively provided with a guide wheel, and the gate plate slides along the wheel groove.

4. The inflatable gate valve for hazardous waste disposal of claim 3, wherein the front sealing structure comprises a sealing frame and an inflatable sealing ring, the sealing frame is F-shaped and comprises a transverse plate and two vertical plates, the transverse plate between the two vertical plates and the two vertical plates forms the groove, the front connecting transverse plate and the rear connecting transverse plate are fixedly connected to the left side plate and the right side plate of the main frame, the transverse plates on the left side and the right side of the sealing frame of the front sealing structure are located in front of the front connecting transverse plate, and the transverse plates on the left side and the right side of the sealing frame of the rear sealing structure are connected to the rear of the rear connecting transverse plate.

5. The inflatable slide valve for hazardous waste disposal of claim 4, wherein the cross plates on the upper and lower sides of the front seal structure seal rack are located in front of the front support cross plate, and the cross plates on the upper and lower sides of the rear seal structure seal rack are connected behind the rear support cross plate.

6. The inflatable gate valve for hazardous waste disposal of claim 5, wherein a front adjustment gasket is respectively interposed between the transverse plate of the sealing frame of the front sealing structure and the corresponding front supporting transverse plate and front connecting transverse plate, and a rear adjustment gasket is respectively interposed between the transverse plate of the sealing frame of the rear sealing structure and the corresponding rear supporting transverse plate and rear connecting transverse plate.

7. The inflatable flapper valve for hazardous waste disposal of claim 1, wherein said main frame is enclosed by four U-shaped plates with the notch of the U-shaped plates facing outward.

8. The inflatable gate valve for hazardous waste disposal of claim 1, wherein the lower portion of said main frame is provided with a support drum provided with a screw rod and a nut for adjusting the height of the drum, the screw rod being fixed to the left and right side walls of the main frame.

9. The inflatable gate valve for hazardous waste disposal of claim 4, wherein said inflatable sealing ring has an operating pressure of between 0.05 and 0.1 MPa.