CN206916436U - A kind of gas-tight bubble structure in filter bag processing impregnating equipment - Google Patents

Abstract

The utility model provides the gas-tight bubble structure in a kind of filter bag processing impregnating equipment, belongs to field of mechanical technique.It solves the problems, such as that existing impregnating equipment is ineffective.In the utility model, filter bag processing impregnating equipment includes support and the dipping tank and catch box that are each attached on support, dipping groove bottom wall is provided with the outage run through, and catch box is provided with circulating pump, and pump entry and outlet connect with outage and liquid collecting box cavity respectively；Drain pipe is also vertically fixed in dipping tank, drain pipe lower end is stretched out dipping tank and connected with liquid collecting box cavity, gas-tight bubble structure includes being enclosed on outside drain pipe upper end and is in barrel-shaped buffer barrel, buffer barrel top seal and its bottom-open, buffer barrel internal diameter is more than drain pipe external diameter, and being additionally provided with dipping tank makes buffer barrel inner roof wall have the compression spring for being offseted with drain pipe upper surface and drain pipe upper port being sealed to trend.The utility model has the advantages of improving dipping effect.

Description

A kind of gas-tight bubble structure in filter bag processing impregnating equipment

Technical field

The utility model belongs to field of mechanical technique, is related to a kind of filter bag processing impregnating equipment, particularly a kind of filter bag Gas-tight bubble structure in processing impregnating equipment.

Background technology

Filter bag is a kind of more typical air filtering material, in order that filter bag has the function of release anion, common processing Technique is that filter bag is impregnated in anion slurry, so that anion propellant is attached to filter bag surface or infiltrates through filter bag fibre In space between dimension, the filter bag for impregnating anion slurry is then set slowly enduringly to produce and discharge in use Anion.

A kind of dust-proof filter bag impregnating slurry processing of anion as disclosed in Chinese patent storehouse of existing filter bag impregnating equipment is set It is standby【Application number：201420494416.9；Authorization Notice No.：CN 204058953U】, including for containing anion slurry and use In the steeper of dipping filter bag processing felt material, the steeper bottom is provided with slurry outlet, the steeper side wall It is provided with slurry jet pipe；For limiting the roller group of filter bag processing felt material movement locus, the roller group is described including being arranged at Two dipping rollers of steeper bottom and two steering rollers for being arranged at the steeper top side wall, described in two Dipping roller and two rollers that turn to are parallel to each other, and two rollers that turn to are respectively arranged at two dipping rollings The both sides of roller；For taking out material and by the circulation of slurry jet pipe conveying into the steeper from the slurry outlet Pump, the circulating pump are provided with feed pipe and discharge nozzle, and the feed pipe connects the slurry outlet, and the discharge nozzle connects institute Slurry jet pipe is stated, the circulating pump is additionally provided with filtering cabin, and the filtering cabin is between the circulating pump and the feed pipe.

Above-mentioned process equipment makes the slurry in steeper in feed pipe and gone out in use, in the presence of circulating pump Circulated between expects pipe, slurry is remained preferable mobility, prevent slurry from luming, to improve dipping effect.

But the equipment still has a problem that：Under the pressurization of circulating pump, possess comparatively fast from the slurry of discharge nozzle discharge Speed, cause its that larger collision occurs with the slurry in steeper, this process easily produces bubble, influences to starch Material is attached to the uniformity on filter bag, and dipping effect is affected.

Utility model content

The purpose of this utility model is above mentioned problem be present for existing technology, it is proposed that a kind of filter bag processing dipping Gas-tight bubble structure in equipment, the technical problem of solution are how to improve dipping effect.

The purpose of this utility model can be realized by following technical proposal：It is anti-in a kind of filter bag processing impregnating equipment Bubble structure, filter bag processing impregnating equipment includes support and the dipping tank and catch box that are each attached on support, described The bottom wall of dipping tank is provided with the outage that runs through, and catch box is provided with circulating pump, and the entrance and exit of circulating pump respectively with Described outage connects with the inner chamber of described catch box；Also it is vertically fixed in described dipping tank and goes out liquid in straight tube-like Pipe, the lower end of drain pipe are stretched out dipping tank and connected with the inner chamber of catch box, it is characterised in that this gas-tight bubble structure includes being enclosed on Outside drain pipe upper end and it is in barrel-shaped buffer barrel, the top seal of described buffer barrel and its bottom-open, described buffering The internal diameter of bucket is more than the external diameter of drain pipe, and being additionally provided with described dipping tank makes buffer barrel inner roof wall have and drain pipe upper surface Offset and by drain pipe upper port seal trend compression spring.

In use, anion slurry is stored in dipping tank and catch box；Pump work is circulated, by the slurry in dipping tank It is pumped into catch box, then the slurry in catch box is spilled over to the elastic force in drain pipe and promoting buffer barrel to overcome compression spring Move up, and eventually through in the clearance backflow between buffer barrel and drain pipe side wall to dipping tank, realize circulating for slurry, Stirring action is played, so as to effectively prevent slurry from luming, to improve the uniformity that slurry is attached on filter bag, then improves dipping Effect.

The buffer barrel of top seal is enclosed on outside drain pipe, and the internal diameter of buffer barrel is more than the external diameter of drain pipe, by slurry Flow direction the resistance being subject to during increasing pulp flow, produces from changing over upwards downwards so as to effectively suppress bubble, to improve leaching Stain effect；Secondly, under compression spring effect, make buffer barrel that there is the trend moved down, for buffering slurry from drain pipe The impact of middle discharge, so as to effectively reduce the velocity of discharge of slurry, then further suppress bubble and produce, further to improve leaching Stain effect.

In gas-tight bubble structure in above-mentioned filter bag processing impregnating equipment, described buffer barrel upper horizontal is provided with Supporting plate, and supporting plate is fixedly connected with dipping tank；There is the guide part in straight tube-like protrusion on the downside of described supporting plate, And the upper end of guide part is blind end, and lead is vertically and fixedly provided with the outer roof of described buffer barrel, described lead Upper end is inserted in guide part, is provided with above-mentioned compression spring in guide part, and the both ends of compression spring respectively with guide part inwall Offseted with lead upper surface.

Under the cooperation of guide part and lead, preferable guide effect is played in the movement to buffer barrel, to improve dipping The job stability of equipment.

In gas-tight bubble structure in above-mentioned filter bag processing impregnating equipment, set in the upper end side wall of described lead There is the annular groove being coaxial therewith, sealing ring one, and the inwall of the lateral wall of sealing ring one and guide part are provided with annular groove Offset.

In the presence of sealing ring one, make to form reliable sealing between lead and guide pipe madial wall, will compression Spring is hidden in a closed chamber, so as to effectively avoid the motion of external environment condition victim compression spring, it is ensured that compression spring Buffering effect it is stable realize, effectively to reduce the velocity of discharge of slurry, to improve dipping effect.

In gas-tight bubble structure in above-mentioned filter bag processing impregnating equipment, have on the upper end outer wall of described drain pipe There is the stop part annularly protruded, and stop part and drain pipe are coaxial, in the presence of above-mentioned compression spring, described buffering The bottom wall of bucket can lean with the upper surface of stop part.

By setting stop part, and the gap face between the stop part and buffer barrel and drain pipe, make from above-mentioned gap The slurry of discharge collides with stop part again, further to reduce slurry velocity, improves dipping effect.

In gas-tight bubble structure in above-mentioned filter bag processing impregnating equipment, described guide part and supporting plate are integrated Formula structure.

Compared with prior art, the gas-tight bubble structure in this filter bag processing impregnating equipment has advantages below：

1st, the buffer barrel of top seal is enclosed on outside drain pipe, and the internal diameter of buffer barrel is more than the external diameter of drain pipe, by slurry Flow direction from changing over upwards downwards, the resistance being subject to during increasing pulp flow, produced so as to effectively suppress bubble, to improve Dipping effect.

2nd, under compression spring effect, make buffer barrel that there is the trend moved down, for buffering slurry from drain pipe The impact of discharge, so as to effectively reduce the velocity of discharge of slurry, then further suppress bubble and produce, further to improve dipping Effect.

3rd, in the presence of sealing ring one, make to form reliable sealing between lead and guide pipe madial wall, will pressure Contracting spring is hidden in a closed chamber, so as to effectively avoid the motion of external environment condition victim compression spring, it is ensured that compression bullet The buffering effect of spring is stable to be realized, effectively to reduce the velocity of discharge of slurry, to improve dipping effect.

4th, by setting stop part, and the gap face between the stop part and buffer barrel and drain pipe, make from above-mentioned The slurry of gap discharge collides with stop part again, further to reduce slurry velocity, improves dipping effect.

Brief description of the drawings

Fig. 1 is the structural representation of this filter bag processing impregnating equipment.

Fig. 2 is the mplifying structure schematic diagram at A in Fig. 1.

Fig. 3 is the mplifying structure schematic diagram at B in Fig. 1.

Fig. 4 is the mplifying structure schematic diagram at C in Fig. 1.

Fig. 5 is the cross section structure diagram of muff.

Fig. 6 is dovetails and the attachment structure schematic diagram of base.

In figure, 1, support；2nd, dipping tank；3rd, feed preparation unit roller；4th, cloth beam；5th, fabric guide roll；6th, catch box；6a, connecting portion；7、 Circulating pump；7a, flange two；8th, drain pipe；8a, stop part；9th, buffer barrel；10th, compression spring；11st, buffer spring；12nd, base； 12a, dovetail groove；12b, lubrication groove；13rd, installing plate；14th, electric heating piece；15th, heat conduction frame；16th, heat conduction bar；17th, dovetails；18th, it is defeated Send pipe；18a, flange one；19th, sealing ring three；19a, supporting part；19b, sealing；20th, locating ring；21st, Gask-O-Seal one； 22nd, support bar；23rd, sealing ring two；24th, supporting plate；24a, guide part；25th, lead；26th, sealing ring one；27th, sealing ring four； 28th, muff；28a, iron sheet；28b, heat preservation rock；29th, heat conductive silica gel；30th, temperature sensor；31st, controller.

Embodiment

It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these embodiments.

As shown in Figures 1 to 6, this filter bag processing impregnating equipment by support 1, dipping tank 2, feed preparation unit roller 3, cloth beam 4, lead Cloth rewinder roll 5, catch box 6, circulating pump 7, drain pipe 8, buffer barrel 9, compression spring 10, buffer spring 11, base 12, installing plate 13, Electric heating piece 14, heat conduction frame 15, heat conduction bar 16 etc. form.Wherein, heat conduction frame 15 and heat conduction bar 16 are made from a material that be thermally conductive, heat conduction Material can be stainless steel, brass etc..In the present embodiment, preferably heat conduction frame 15 and heat conduction bar 16 is made by brass material.

Specifically, as shown in figure 1, dipping tank 2 in long groove shape and its be arranged on support 1.The notch court of dipping tank 2 On, the bottom wall of dipping tank 2 is provided with the outage run through, and preferably outage is circular hole.Feed preparation unit roller 3 and cloth beam 4 are distributed in The both sides of dipping tank 2, and feed preparation unit roller 3 and cloth beam 4 are rotatablely connected with support 1.Fabric guide roll 5 is arranged in dipping tank 2, and is led Cloth rewinder roll 5 is rotatablely connected with dipping tank 2.It is preferred that fabric guide roll 5 has 4, and conveying direction distribution of 4 fabric guide rolls 5 along filter bag；Work feed Roller 3 and cloth beam 4 are rotatablely connected by bearing and support 1；Fabric guide roll 5 is rotatablely connected by bearing and dipping tank 2.

Catch box 6 is fixed on support 1, and the catch box 6 is located at the underface of dipping tank 2.It is preferred that catch box 6 passes through spiral shell Silk is fixedly connected with support 1.Circulating pump 7 on the catch box 6, and the entrance and exit of circulating pump 7 respectively with outage and liquid collecting The inner chamber connection of case 6.

Circulating pump 7, catch box 6 and the specific connected mode of the three of dipping tank 2 are as follows：

As shown in figures 1 to 6, the roof of catch box 6 is provided with base 12, and base 12 is by way of welding and liquid collecting Case 6 is fixedly connected with.The side of base 12 is provided with installing plate 13, and installing plate 13 is horizontally disposed.Installing plate 13 is slided with base 12 Dynamic connection enables the upper and lower translation of installing plate 13, and the structure being slidably connected is specific as follows：Base 12, which vertically runs through, to be opened up There is the dovetail groove 12a in strip, the dovetails 17 to match with it, and dovetails 17 and installing plate 13 are provided with dovetail groove 12a It is fixedly connected with.Further illustrate, offered on dovetail groove 12a bottom wall in strip and the lubrication groove 12b for storing lubricant grease, Both lubrication groove 12b and dovetail groove 12a length bearing of trend is consistent, and lubrication groove 12b both ends are closed, to strengthen pacifying The smoothness that loading board 13 is slided.

As shown in figure 3, circulating pump 7 is connected on installing plate 13 by screw (not shown), and now, circulating pump 7 enters Mouth and outlet are vertically distributed.Run through on the roof of catch box 6 and offer connecting hole, and connecting hole and above-mentioned outage Respectively with the outlet of circulating pump 7 and the entrance face of circulating pump 7.Two delivery pipes 18, and two delivery pipes 18 are fixed with circulating pump 7 It is in straight tube-like.Wherein one end of two delivery pipes 18 connects with the outlet of circulating pump 7 and the entrance of circulating pump 7 respectively, and two is defeated Send the other end of pipe 18 to be respectively inserted in outage and connecting hole, with the stable entrance and exit for realizing circulating pump 7 respectively with row Fluid apertures connects this purpose with the inner chamber of catch box 6.Wherein, delivery pipe 18 and the connected mode of circulating pump 7 are specific as follows：Two is defeated Send and the 18a of flange one be respectively provided with pipe 18, there is the 7a of two flange two on circulating pump 7, and the 18a of two flange one respectively with the 7a of two flange two Face.The 18a of flange one and the 7a of flange two of position face are fixedly connected with by the cooperation of screw bolt and nut.Further preferably, position Being clamped between the 18a of flange one and the 7a of flange two of face has sealing gasket two annular in shape, it is ensured that the sealing that both connect, makes to follow The entrance and exit of ring pump 7 only connects with the inner chamber of delivery pipe 18.

Further illustrate, two delivery pipes 18 are formed close with the hole wall of outage and connecting hole respectively by sealing ring 3 19 Envelope.Buffer spring 11 is cased with outside two delivery pipes 18, one end of two buffer springs 11 offsets with the 18a of two flange one respectively, and two The other end of buffer spring 11 offsets with the bottom wall of dipping tank 2 and the roof of catch box 6 respectively.As shown in figure 1, two delivery pipes 18 is outer Standing groove annular in shape is offered in side wall, and two sealing rings 3 19 are respectively arranged in two standing grooves.Sealing ring 3 19 includes Supporting part 19a annular in shape and it is enclosed on that supporting part 19a is outer and sealing 19b annular in shape, and sealing 19b and supporting part 19a For integral type structure.The longitudinal section of sealing 19b side wall is triangular in shape, and two sealing 19b lateral wall respectively with discharge opeing The hole wall of hole and connecting hole offsets.Using above-mentioned design, ensuring between delivery pipe 18 and outage and connecting hole hole wall While forming reliable sealing, ring wear can be reduced again, to extend the life-span of sealing ring.

As shown in figure 1, being also vertically fixed the drain pipe 8 in straight tube-like in dipping tank 2, drain pipe 8 has two and is in Outage both sides, and now, circulating pump 7, base 12 and the three of installing plate 13 are between two drain pipes 8.The bottom of dipping tank 2 Be additionally provided with the resigning hole run through on wall, resigning hole have two and respectively with the face of two drain pipe 8.The lower end difference of two drain pipes 8 Inner chamber through two resigning holes and with catch box 6 connects.

Wherein, the connected mode of drain pipe 8 and dipping tank 2 is as follows：As shown in Fig. 2 have on the upper end outer wall of drain pipe 8 The stop part 8a annularly protruded, stop part 8a and drain pipe 8 are coaxially integral type structure with both.Outside the lower end of drain pipe 8 It is arranged and is fixed with locating ring 20, the bottom wall of dipping tank 2, the upper surface of locating ring 20 and stop part 8a lower surface threes is flat Face, and the inner side and outer side of the bottom wall of dipping tank 2 respectively with stop part 8a lower surfaces and the upper surface tight abutment of locating ring 20, with by means of Caused frictional force between above-mentioned three is helped, drain pipe 8 and dipping tank 2 is fixed together.In the present embodiment, locating ring 20 It is fixedly connected with by helicitic texture and drain pipe 8；Offered on the upper surface of locating ring 20 and coaxial annular close of the locating ring 20 Sealing groove, is provided with Gask-O-Seal 1 in annular seal groove, and the both ends of the surface of Gask-O-Seal 1 respectively with dipping tank 2 and ring The bottom wall tight abutment of shape seal groove, make to form sealed connection between drain pipe 8 and dipping tank 2.

Further illustrate, offer support slot annular in shape on the roof of catch box 6, support slot there are two and respectively with two The face of locating ring 20.The longitudinal section of the inwall of two support slots is in circular arc, is vertically connected on the lower surface of two locating rings 20 There is support bar 22, the lower end of support bar 22 is hemispherical, and the lower end of support bar 22 is inserted in support slot and its surface and support slot Inwall offset, the support bar 22 on same locating ring 20 at least two is simultaneously along the circumferential uniform of locating ring 20.Propping up Under the cooperation of strut 22 and support slot, strengthen support effect of the catch box 6 to drain pipe 8.In the present embodiment, preferred support bar 22 and locating ring 20 be fixedly connected with by way of welding.

As depicted in figs. 1 and 2, spiral shell is distinguished in the top of catch box 6 through two screwed holes, the lower end of two drain pipes 8 is offered It is connected in two screwed holes.So connect both both inner chambers of drain pipe 8 and catch box 6, and made drain pipe 8 and the phase of catch box 6 again It is connected, promotes drain pipe 8, catch box 6 and the three of dipping tank 2 to be stably connected with to form an entirety.Further illustrate, drain pipe 8 Lower end outside wall be provided with the annular slot coaxial with the drain pipe 8, is provided with sealing ring 2 23, and sealing ring in annular slot 2 23 lateral wall and the hole wall of screwed hole offset, to strengthen the sealing that drain pipe 8 and catch box 6 connect.

As depicted in figs. 1 and 2, be cased with buffer barrel 9 outside the upper end of two drain pipes 8, two buffer barrels 9 in barrel-shaped, this When, the top seal and bottom-open of buffer barrel 9.As shown in figure 1, the internal diameter of buffer barrel 9 be more than drain pipe 8 external diameter, i.e., this When, there is gap between the inwall and the outer wall of drain pipe 8 of buffer barrel 9.Being additionally provided with dipping tank 2 has the inner roof wall of buffer barrel 9 Offseted with the upper surface of drain pipe 8 and by the upper port of drain pipe 8 seal trend compression spring 10, compression spring 10 have two and Put respectively with the face of two buffer barrel 9.In the presence of compression spring 10, the bottom wall of buffer barrel 9 can be with stop part 8a upper end Face leans.

Specifically, as shown in Fig. 2 the top of two buffer barrel 9 is horizontally disposed supporting plate 24, and two supporting plates 24 are logical The mode for crossing welding is fixedly connected with dipping tank 2.The guide part protruded in straight tube-like is respectively provided with the downside of two supporting plates 24 24a, guide part 24a and supporting plate 24 are integral type structure, and guide part 24a upper end is blind end.The outer top of two buffer barrels 9 Lead 25 is vertically and fixedly provided with wall, the upper end of two leads 25 is respectively inserted in two guide part 24a, in two guide part 24a Compression spring 10 is equipped with, and the both ends of compression spring 10 offset with guide part 24a inwalls and the upper surface of lead 25 respectively.It is excellent Lead 25 and buffer barrel 9 is selected to be fixedly connected with by way of welding.Further illustrate, the upper end side wall of lead 25 be provided with Its coaxial annular groove, is provided with sealing ring 1 in annular groove, and the lateral wall of sealing ring 1 and guide part 24a's is interior Wall is offseted, and compression spring 10 is hidden in a closed chamber, to avoid interference of the external environment condition to compression spring 10.

As shown in Figure 1 and Figure 4, heat conduction frame 15 is L-shaped and is fixedly arranged in catch box 6.Run through on the roof of catch box 6 and open up There is the through hole with the face of heat conduction frame 15, the upper end of heat conduction frame 15 is through through hole and outside catch box 6.It is preferred that heat conduction frame 15 passes through The mode of welding is fixedly connected with catch box 6, and is formed and sealed by sealing structure between heat conduction frame 15 and catch box 6.In this reality Apply in example, sealing structure includes the annular positioning groove in the side wall of heat conduction frame 15 and the sealing ring four in annular positioning groove 27, and the lateral wall of sealing ring 4 27 and the hole wall of through hole offset.

As shown in Figure 2 and Figure 5, muff 28, the top seal of muff 28, and the guarantor are cased with outside the upper end of heat conduction frame 15 The sandwich that temperature set 28 is made up of internal iron sheet 28a, middle part heat preservation rock 28b and outside iron sheet 28a.Muff 28 and collection Liquid case 6 is fixedly connected with, and both connected modes are as follows：The roof of catch box 6 is protruding upward to form connecting portion 6a annular in shape, even Socket part 6a and catch box 6 are integral type structure, and connecting portion 6a is enclosed on outside the upper end of heat conduction frame 15.Muff 28 is enclosed on connecting portion Outside 6a, and muff 28 is fixed by way of tight fit with connecting portion 6a phases.

As depicted in figs. 1 and 2, electric heating piece 14 is provided with muff 28, and electric heating piece 14 passes through heat conductive silica gel 29 and heat conduction Frame 15 is fixedly connected with.The side wall of muff 28 is provided with the breach that the power line of power supply backing 14 stretches out.Temperature is fixed with catch box 6 Sensor 30 is spent, is also fixed with outside catch box 6 and controls electric heating piece 14 to open and close by receiving the output signal of temperature sensor 30 Controller 31.The connected mode of temperature sensor 30, controller 31 and the three of electric heating piece 14 is existing, is not done specifically at this Introduce.In real work, the temperature control in catch box 6 makes slurry keep sufficient mobility and work at 22 DEG C~28 DEG C Property.

It is provided with the heat conduction bar 16 in vertical bar shape in catch box 6, heat conduction bar 16 has multiple, and wherein the one of each heat conduction bar 16 End is fixedly connected with heat conduction frame 15.It is preferred that heat conduction bar 16 and heat conduction frame 15 are fixedly connected with by way of welding.

In use, store anion slurry in dipping tank 2 and catch box 6；Circulating pump 7 works, by dipping tank 2 Slurry is pumped into catch box 6, and then the slurry in catch box 6 is spilled in drain pipe 8 and promotes buffer barrel 9 to overcome compression bullet The elastic force of spring 10 moves up, and eventually through in the clearance backflow between buffer barrel 9 and the side wall of drain pipe 8 to dipping tank 2, realizes slurry Circulating for material, plays stirring action, so as to effectively preventing slurry from luming, come improve slurry be attached to it is uniform on filter bag Property, then improve dipping effect.

During use, heat conduction frame 15 by electric heating piece 14 work caused by heat transfer in catch box 6, starched with heating Material, to improve the mobility of slurry and activity, slurry is easier and be uniformly adhered on filter bag, so as to further carry High dipping effect.

Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.

Claims (5)

1. the gas-tight bubble structure in a kind of filter bag processing impregnating equipment, filter bag processing impregnating equipment includes support and solid The dipping tank and catch box being scheduled on support, the bottom wall of described dipping tank are provided with the outage run through, and catch box is provided with Circulating pump, and inner chamber of the entrance and exit of circulating pump respectively with described outage and described catch box connects；Described The drain pipe in straight tube-like is also vertically fixed in dipping tank, the lower end of drain pipe is stretched out dipping tank and connected with the inner chamber of catch box It is logical, it is characterised in that this gas-tight bubble structure includes being enclosed on outside drain pipe upper end and is in barrel-shaped buffer barrel, described buffer barrel Top seal and its bottom-open, the internal diameter of described buffer barrel be more than the external diameter of drain pipe, also set in described dipping tank Having makes buffer barrel inner roof wall have the compression spring for being offseted with drain pipe upper surface and drain pipe upper port being sealed to trend.

2. the gas-tight bubble structure in filter bag processing impregnating equipment according to claim 1, it is characterised in that described is slow Rush bucket upper horizontal and be provided with supporting plate, and supporting plate is fixedly connected with dipping tank；Have on the downside of described supporting plate and be in The guide part of straight tube-like protrusion, and the upper end of guide part is blind end, is vertically and fixedly provided with and leads on the outer roof of described buffer barrel Xiang Zhu, the upper end of described lead are inserted in guide part, and above-mentioned compression spring, and the two of compression spring are provided with guide part End offsets with guide part inwall and lead upper surface respectively.

3. the gas-tight bubble structure in filter bag processing impregnating equipment according to claim 2, it is characterised in that described leads The annular groove being coaxial therewith is provided with to the upper end side wall of post, sealing ring one is provided with annular groove, and sealing ring one is outer The inwall of side wall and guide part offsets.

4. the gas-tight bubble structure in filter bag processing impregnating equipment according to claim 1 or 2 or 3, it is characterised in that institute There is the stop part annularly protruded on the upper end outer wall for the drain pipe stated, and stop part and drain pipe are coaxial, in above-mentioned pressure In the presence of contracting spring, the bottom wall of described buffer barrel can lean with the upper surface of stop part.

5. the gas-tight bubble structure in filter bag processing impregnating equipment according to Claims 2 or 3, it is characterised in that described Guide part and supporting plate be integral type structure.