CN220759606U - Suspension type high-pressure closed cleaning device - Google Patents

Abstract

The utility model relates to a suspension type high-pressure closed cleaning device, which comprises a flushing valve and a pressure plate valve, wherein the flushing valve is fixedly connected to the upper end of a polymerization kettle, an inner cavity of the flushing valve is communicated with the inner cavity of the polymerization kettle, a high-pressure guide pipe is arranged in the flushing valve in a telescopic adjustment manner, a high-pressure spray head is arranged at the lower end of the high-pressure guide pipe, and the high-pressure spray head can enter and exit the inner cavity of the polymerization kettle; a pressure plate valve is arranged between the flushing valve and the polymerization kettle, and can control the opening or closing of a channel between the flushing valve and the polymerization kettle. The device has the advantages that the flushing stroke, the running speed of the spray head, the flushing pressure, the flushing flow and the flushing key positions are all selectable, and according to the targeted setting of the cleaning requirement, the cleaning effect is good, and the product quality is improved.

Description

Suspension type high-pressure closed cleaning device

Technical Field

The utility model belongs to the field of cleaning devices, relates to a sealing and cleaning device in a polymerization kettle, and particularly relates to a suspension type high-pressure sealing and cleaning device.

Background

After one production flow of the polymerization kettle is finished, the inner cavity of the polymerization kettle needs to be cleaned, so that the next reaction material is not polluted, and the requirement on a cleaning device is high because a closed space is arranged in the polymerization kettle. The cleaning effect of the cleaning device can not influence the tightness of the polymerization kettle and ensure the performance of the polymerization kettle.

The prior cleaning device can see the prior patent (CN 215655960U) and adopts a telescopic steel tube to drive the spray head to enter the kettle, the end part of the spray head is provided with a sealing structure, the length of the spray head with the structure in the kettle is limited by the limited length of the telescopic steel tube, the position of the spray head is fixed and not adjustable, the cleaning efficiency is lower, the cleaning capability is not ideal, the sealing performance of the structure is influenced by sealing element materials, the service life is short, and potential safety hazards such as leakage points exist.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the hanging type high-pressure closed cleaning device which can reduce potential safety hazards, improve production efficiency and improve cleaning quality.

The utility model solves the technical problems by adopting the following technical scheme:

the utility model provides a pendulous high pressure airtight belt cleaning device which characterized in that: the device comprises a flushing valve and a pressure plate valve, wherein the flushing valve is fixedly connected to the upper end of a polymerization kettle, an inner cavity of the flushing valve is communicated with an inner cavity of the polymerization kettle, a high-pressure guide pipe is arranged in the flushing valve in a telescopic adjustment manner, a high-pressure spray head is arranged at the lower end of the high-pressure guide pipe, and the high-pressure spray head can enter and exit the inner cavity of the polymerization kettle; a pressure plate valve is arranged between the flushing valve and the polymerization kettle, and can control the opening or closing of a channel between the flushing valve and the polymerization kettle.

And the upper end of the high-pressure conduit extends to the outside of the main valve body and is connected with a conduit driving component, the conduit driving component is a winch component, the winch component comprises a wheel disc, a guide wheel and a conduit sealing component, the wheel disc is arranged on an external frame, the high-pressure conduit is wound on the wheel disc, and a wheel disc installation driving motor can control the wheel disc to rotate so as to retract and release the high-pressure conduit.

And a swinging cylinder is arranged on the outer side of the middle part of the valve body of the flushing valve, a piston rod of the swinging cylinder penetrates through the side wall of the valve body of the flushing valve, the end part of the piston rod is connected with a swinging sleeve, and the swinging sleeve is sleeved on the high-pressure guide pipe in a sliding mode.

And the periphery of the high-pressure conduit at the upper end of the valve body of the flushing valve is provided with a conduit sealing assembly which comprises a plurality of lip seals, and an inflation cabin is arranged in the middle of the lip seals.

The pressure plate valve comprises a plate valve body, a plunger, an air cylinder and a pressure plate, wherein the plate valve body is of a cylindrical structure which is coaxially and hermetically matched with a valve body of the flushing valve, a plunger channel is vertically arranged in the middle of the plate valve body, a plunger is arranged in the plunger channel in a driving guiding mode, one end of the plunger extends to the outside of the plunger channel to be connected with the air cylinder, the pressure plate is arranged at the other end of the plunger channel, and the air cylinder drives the pressure plate to move in the plunger channel so as to open or close a through hole through which a high-pressure guide pipe and a high-pressure spray head can pass.

And the upper side and the lower side of the plunger are provided with a pressing plate in a guiding and adjusting mode, and the pressing plates on the upper side and the lower side can doubly seal a channel in the plate valve main body.

In addition, tension springs with guide posts are arranged between the pressing plates and the plungers at both sides, and a pair of swing rods are symmetrically hinged between the pressing plates and the plungers at both sides

And a plate valve seal is arranged on the sliding matching surface of the cylinder plunger and the plunger channel, and a plurality of layers of lip seals are arranged in a seal cavity of the plate valve seal.

And moreover, an access window is arranged in the middle of the main valve body, an access window cover plate is installed in a sealing manner, a sealing gasket is installed at the connection position of the access window cover plate and the flushing valve main body, and a plurality of screws are uniformly distributed at intervals on the periphery of the access window cover plate and connected with the flushing valve main body.

And an observation window is arranged at the lower part of the main valve body.

The utility model has the advantages and positive effects that:

1. the device has the advantages of simple and reliable structure, few leakage points, simple operation, seamless connection with DCS, safety and reliability, reduced potential safety hazard,

2. the device is simple to operate, can adjust the height of the spray head according to the requirement, improves the production efficiency, and has good cleaning effect.

3. The device has the advantages that the flushing stroke, the running speed of the spray head, the flushing pressure, the flushing flow and the flushing key positions are all selectable, and according to the targeted setting of the cleaning requirement, the cleaning effect is good, and the product quality is improved.

4. The valve plate structure of the pressure plate valve of the device has good sealing performance, the inner water filling structure is arranged in the valve plate structure, the inner channel of the valve body is sealed by utilizing water pressure, and the valve is safe and reliable.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the device.

Fig. 2 is a schematic view of the internal structure of the device.

Fig. 3 is a partial enlarged view of the portion B in fig. 2.

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

Reference numerals: 1. a winch assembly; 101. a wheel disc; 102. a guide wheel; 103. a guide bracket; 104. a lip seal; 105. an inflation cabin; 2. a flush valve; 201. a high pressure conduit; 202. a valve body; 203. a swinging sleeve; 204. a swing cylinder; 205. a high pressure nozzle; 3. an access panel; 4. an observation window; 5. a pressing plate valve; 501. a pressing plate; 502. a plunger; 503. a plunger channel; 504. sealing the plate valve; 5041. an end cap; 5042. a lip seal; 5043. sealing sleeve; 5044. a gland; 505. a support rod; 506. a plate valve cylinder; 507. a plate valve body; 508. a platen seal assembly; 5081. a fixing seat; 5082. swing rod; 5083. a tension spring; 5084. a guide wheel; 5085. sealing rubber rings; 509. an inlet; 510. a pressure gauge.

Detailed Description

The utility model will now be described in further detail by way of specific examples, which are given by way of illustration only and not by way of limitation, with reference to the accompanying drawings.

The transverse and longitudinal directions mentioned in this embodiment are used for describing the relative positions of the structures, and do not limit the actual mounting direction of the structures.

Referring to fig. 1, the hanging type high-pressure airtight cleaning device comprises a flushing valve 2, a winch assembly 1 and a pressing plate valve 5, wherein the flushing valve 2 is fixed at the upper end of a polymerization kettle, the flushing valve 2 is communicated with an inner cavity of the polymerization kettle, the winch assembly 1 is arranged at the upper end of the flushing valve 2, and the pressing plate valve 5 is arranged between the flushing valve 2 and the polymerization kettle.

The high-pressure spray head 205 and the high-pressure guide pipe 201 are arranged in the flushing valve 2, one end of the high-pressure guide pipe 201 is connected with the high-pressure spray head 205, the other end of the high-pressure guide pipe 201 extends to the outside of the flushing valve 2, a winch component 1 is installed in a winding mode and is connected with a water source, the winch component 1 can control the telescopic length and speed of the high-pressure guide pipe 201, the winch component 1 drives the high-pressure guide pipe 201 to be positioned in the high-pressure spray head 205 to enter a polymerization kettle for spray cleaning, or the high-pressure guide pipe is separated from the polymerization kettle to be retracted into the flushing valve 2. The winch assembly 1 may be replaced with other pipe driving parts capable of moving the pipe according to the required moving distance of the high pressure pipe 201.

A pressure plate valve 5 is installed between the flushing valve 2 and the polymerizer, and the pressure plate 501 valve 5 can close or open the passage between the flushing valve 2 and the polymerizer.

The middle part at the flushing valve 2 is provided with the access window, and access window sealing installation access window apron 3, the sealing pad is installed to the hookup location of access window apron 3 and flushing valve 2, and a plurality of screw connection flushing valve 2 of access window apron 3 periphery interval equipartition, guarantees the access window leakproofness, and the access window apron is torn down when need maintaining, maintains flushing valve 2 inner structure. The outer diameter of the high-pressure conduit 201 is larger than the outer diameter of the connector of the spray head and the conduit, the outer diameter is convenient to detach and replace the sealing ring, when the upper sealing ring needs to be maintained, the overhaul window can be opened to detach the spray head in the overhaul bin, the high-pressure conduit 201 is pulled out, and the sealing ring is replaced.

An observation window 4 is installed at the lower portion of the flush valve 2, and the state of the inside of the flush valve 2 can be seen through the position of the observation window 4.

The specific structure is shown in figure 2,

the winch assembly comprises a wheel disc 101, a guide wheel 102 and a conduit sealing assembly 104, wherein the wheel disc is arranged on an external frame (the frame is not shown in the figure, the installation position of the wheel disc is selected according to the actual installation condition), a high-pressure conduit 201 is wound on the wheel disc 101, and the wheel disc 101 is connected with a driving motor which controls the wheel disc to rotate so as to be capable of winding and unwinding the high-pressure conduit; the external end of the high pressure conduit is connected to a water source (not shown).

In order to facilitate the movement of the high-pressure conduit, a guide bracket 103 is fixedly arranged at the upper end of the valve body of the flushing valve, a guide wheel 102 is arranged on the guide bracket 103, the guide wheel 102 is arranged at one side of the deflection wheel disc, and the guide wheel guides and supports the high-pressure conduit 201 to prevent the high-pressure conduit 201 from being damaged.

The high-voltage conduit 201 of the winch part is internally provided with a magnetic positioning ring, and the wheel disc 101 is internally provided with a magnetic switch, and the magnetic positioning ring sends a position signal to the magnetic switch.

Referring to fig. 3, a through hole is provided in the middle of the upper end of the valve body 202 of the flush valve 2, a high pressure conduit 201 passes through the through hole, and a conduit sealing assembly is installed at the through hole position of the outer periphery of the high pressure conduit 201, so that the tightness of the valve body 202 is ensured. The catheter seal assembly includes a multi-seal 104. An inflation cabin 105 is arranged in the middle of the multi-seal 104, an external air port (optional) of the inflation cabin 105 is provided with an emergency pressing function, and the inflation cabin is not involved in sealing or light sealing in normal operation.

Since the high pressure conduit needs to be lightly lubricated, an oil storage box is installed at the inlet of the conduit, not shown in this embodiment, and lightly lubricates the outer wall of the conduit.

The flushing valve 2 comprises a valve body 202, a high-pressure conduit 201 and a high-pressure spray head 205, wherein a channel in the vertical direction is formed in the valve body 202 of the flushing valve 2, the high-pressure conduit 201 is arranged in the channel of the valve body 202 of the flushing valve 2, one end of the high-pressure conduit 201 is provided with the high-pressure spray head 205, and the high-pressure conduit 201 drives the high-pressure spray head 205 to move along the channel of the valve body 202 of the flushing valve 2; the other end of the high-pressure conduit 201 extends out of the flushing valve 2 and is connected with a water source;

a swing cylinder 204 is arranged on the outer side of the middle part of the valve body 202 of the flushing valve 2, a piston rod of the swing cylinder 204 penetrates through the side wall of the valve body 202 of the flushing valve 2, an end part of the piston rod is connected with a swing sleeve 203 outside the high-pressure guide pipe 201, the swing cylinder 204 is opened to drive the swing sleeve 203 to enable the high-pressure guide pipe 201 to swing transversely, and accordingly the high-pressure spray head 205 is driven to swing. A sealing assembly is arranged between the swing cylinder 204 and the valve body 202, so that the installation tightness is ensured. The swing cylinder 204 is provided with a two-position three-way electromagnetic valve, and the piston of the swing cylinder 204 is provided with an emergency pressing device. The guide rods of the oscillating cylinders 204 are provided with sealing surfaces which act as seals when the cylinders are in place.

In order to facilitate installation and maintenance, the valve body 202 of the flushing valve 2 in this embodiment is composed of upper and lower valve bodies 202 at the upper and lower ends which are coaxially and sequentially flange-connected, and the overall length of the valve body 202 can be adjusted according to the installation actual requirement.

The pressure plate 501 valve 5 comprises a plate valve main body 507, a plunger 502, a plate valve cylinder 506 and a pressure plate 501, wherein the plate valve main body 507 is of a cylindrical structure which is coaxially and hermetically matched with the valve body 202 of the flushing valve 2, a plunger 502 channel is vertically arranged in the middle of the plate valve main body 507, and a through hole through which the high-pressure conduit 201 and the high-pressure spray head 205 can pass is arranged in the plunger 502 channel in the plate valve main body 507; a plunger 502 is arranged in the plunger 502 channel in a driving and guiding way, one end of the plunger 502 extends to the outside of the plunger 502 channel and is fixedly connected with a piston end of a plate valve cylinder 506, a pressing plate 501 is arranged at the other end of the plunger 502 positioned in the plunger 502 channel, and the plate valve cylinder 506 drives the pressing plate 501 to move in the plunger 502 channel, so that a through hole through which the high-pressure conduit 201 and the high-pressure spray head 205 can pass is opened or closed. The plate valve cylinder 506 adopts a pipeline air source, the plate valve cylinder 506 is kept at the original position by the air source protector under the condition that the pipeline air supply is lost, and a pull rod of the valve 5 of the pressing plate 501 is connected with a main shaft of the plate valve cylinder 506 by a hoop, so that the sealing ring is convenient to replace.

Referring to fig. 4, in order to ensure tightness, a plate valve seal 504 is arranged on a sliding matching surface of a cylinder plunger 502 and a plunger 502 channel, the plate valve seal 504 comprises an end cover 5041, a sealing sleeve 5043, a lip seal 5042 and a gland 5044, the end part of the plunger 502 channel is provided with the end cover 5041 in a sealing manner, a plunger 502 hole for the plunger 502 to pass through is arranged in the middle of the end cover 5041, a sealing sleeve 5043 is fixedly arranged in the plunger 502 hole in a sealing manner, a multi-layer lip seal 5042 is arranged in a sealing cavity between the sealing sleeve 5043 and the plunger 502, and the gland 5044 is fixedly arranged at the axial outer end of the sealing sleeve 5043 in a sealing manner; the sealing pressure is higher than 0.8Mpa and higher than the pressure of the cylinder, and an emergency compression flange can be arranged.

In order to ensure the coaxial stability of the driving plunger 502 of the plate valve cylinder 506, a plurality of support rods 505 are provided between the plate valve cylinder 506 and the outer wall of the passage of the plunger 502.

A guide groove for guiding the pressure plate 501 to move is arranged in the passage of the plunger 502, and when the flushing valve 2 is opened and closed, the pressure plate 501 slides in the guide groove to reach the top point to close the valve.

In order to improve the tightness of the pressing plate 501, a pressing plate 501 sealing assembly is arranged at the mounting ends of the plunger 502 and the pressing plate 501, the pressing plate 501 sealing assembly comprises a tension spring 5083, a swing rod 5082 and a fixing seat 5081, two sides of the plunger 502 corresponding to the through hole are provided with the pressing plate 501, tension springs 5083 are arranged between the pressing plate 501 and the plunger 502, in the embodiment, the tension springs 5083 are tension springs 5083 with guide posts, and the tension springs 5083 are two groups arranged at intervals; a pair of swing rods 5082 are hinged between two sides of a plunger 502 and a pressing plate 501, specifically one end of each swing rod 5082 is hinged on the plunger 502 through a horizontal shaft perpendicular to the plunger 502, the other end of each swing rod 5082 is hinged on a fixed seat 5081 arranged in the pressing plate 501, the swing rods 5082 on two sides of the plunger 502 are symmetrically arranged, an included angle between the swing rods 5082 is smaller than 180 degrees, the distance from the pressing plate 501 to a sealing point position is smaller than the stroke of an air cylinder, so that the air cylinder continuously provides pressing force for the pressing plate 501, and the air cylinder continuously supplies air.

In order to further ensure the tightness of the pressing plate, the plunger channel is provided with an inlet 509 which can be used for inflating or injecting water into the plunger channel, so that the pressure in the plunger channel is increased, the pressing plates on two sides are abutted against the inner wall of the plunger channel, the tightness of the pressing plate position is ensured, and the plunger channel is provided with a pressure gauge 510 which can be used for detecting the pressure in the plunger channel in real time. When the inlet is a water filling port, clean water is filled to serve as the internal pressure of the double sealing of the pressing plate, and the sealing surface can be flushed when the pressing plate is opened.

Guide wheels 5084 are mounted on the inner sides of the pressing plates 501 at the sides far away from the air cylinders, the guide wheels 5084 can be in limited abutting connection with the inner walls of the plate valve main bodies 507, the positions of the pressing plates 501 are limited, and meanwhile friction force during abutting connection is reduced through rotation of the guide wheels 5084.

In order to ensure the tightness of the pressing plate 501, sealing rubber rings 5085 are arranged on the pressing plate 501 at the position where the pressing plate 501 is in abutting fit with the inner wall of the passage of the plunger 502.

The operation steps are as follows:

1. after the material discharging of the polymerization kettle is finished, the pressure in the kettle is not available, and a pressure plate valve is opened by a signal of an electromagnetic valve of a cylinder.

2. The winch is signaled after the platen valve opens.

3. The winch rotates downwards, and the spray head is put down to enter the kettle.

4. The spray head enters the kettle (N meters) to start working, the swing position is reached, the swing air cylinder receives signals, and the air cylinder works to push the high-pressure guide pipe to enable the spray head to move transversely.

5. And returning the spray head to the original position in the overhaul bin after the spray head reaches the preset position.

6. And after receiving the signal, the pressure plate valve cylinder closes the pressure plate valve, and the work is finished.

Although the embodiments of the present utility model and the accompanying drawings have been disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the utility model and the appended claims, and therefore the scope of the utility model is not limited to the embodiments and the disclosure of the drawings.

Claims (10)

1. The utility model provides a pendulous high pressure airtight belt cleaning device which characterized in that: the device comprises a flushing valve (2) and a pressing plate (501) valve (5), wherein the flushing valve (2) is fixedly connected to the upper end of a polymerization kettle, an inner cavity of the flushing valve (2) is communicated with the inner cavity of the polymerization kettle, a high-pressure guide pipe (201) is installed in the flushing valve (2) in a telescopic adjustment mode, a high-pressure spray head (205) is installed at the lower end of the high-pressure guide pipe (201), and the high-pressure spray head (205) can enter and exit the inner cavity of the polymerization kettle; a pressing plate (501) valve (5) is arranged between the flushing valve (2) and the polymerization kettle, and can control the opening or closing of a channel between the flushing valve (2) and the polymerization kettle.

2. The pendent high pressure closed cleaning device according to claim 1, wherein: the upper end of the high-pressure conduit (201) extends to the outside of the main valve body (202) and is connected with a conduit driving component, the conduit driving component is a winch component (1), the winch component (1) comprises a wheel disc (101), a guide wheel (102) and a conduit sealing component, the wheel disc (101) is arranged on an external frame, the high-pressure conduit (201) is wound on the wheel disc (101), and the wheel disc (101) is provided with a driving motor which can control the wheel disc (101) to rotate so as to retract the high-pressure conduit (201).

3. The pendent high pressure closed cleaning device according to claim 1, wherein: a swinging cylinder (204) is arranged on the outer side of the middle part of a valve body (202) of the flushing valve (2), a piston rod of the swinging cylinder (204) penetrates through the side wall of the valve body (202) of the flushing valve (2), the end part of the piston rod is connected with a swinging sleeve (203), and the swinging sleeve (203) is sleeved on the high-pressure guide pipe (201) in a sliding mode.

4. The pendent high pressure closed cleaning device according to claim 1, wherein: a conduit sealing assembly is arranged on the periphery of a high-pressure conduit (201) at the upper end of a valve body (202) of the flushing valve (2), the conduit sealing assembly comprises a plurality of lip seals (5042), and an inflation cabin (105) is arranged in the middle of the lip seals (5042).

5. The pendent high pressure closed cleaning device according to claim 1, wherein: the utility model provides a clamp plate (501) valve (5) include plate valve main part (507), plunger (502), plate valve cylinder (506) and clamp plate (501), plate valve main part (507) be with the coaxial sealed cylindric structure that matches of valve body (202) of flushing valve (2), be provided with a plunger (502) passageway perpendicularly in plate valve main part (507) middle part, drive direction installs a plunger (502) in plunger (502) passageway, the one end of plunger (502) extends to plunger (502) passageway external connection plate valve cylinder (506), clamp plate (501) are installed to the other end that is located plunger (502) passageway, plate valve cylinder (506) drive clamp plate (501) thereby open or seal the through-hole that can high-pressure conduit (201) and high-pressure shower nozzle (205) pass through in plunger (502) passageway.

6. The pendent high-pressure, closed cleaning apparatus according to claim 5, wherein: the upper side and the lower side of the plunger (502) are provided with a pressing plate (501) in a guiding and adjusting mode, and the pressing plate (501) at the upper side and the lower side can doubly close a channel in the plate valve main body (507).

7. The pendent high-pressure, closed cleaning apparatus according to claim 5, wherein: tension springs (5083) with guide posts are arranged between the pressing plates (501) and the plungers (502) on two sides, and a pair of swing rods (5082) are symmetrically hinged between the pressing plates (501) and the plungers (502) on two sides.

8. The pendent high-pressure, closed cleaning apparatus according to claim 5, wherein: a plate valve seal (504) is arranged on a sliding matching surface of the cylinder plunger (502) and a plunger (502) channel, and a plurality of layers of lip seals (5042) are arranged in a seal cavity of the plate valve seal (504).

9. The pendent high pressure, closed cleaning apparatus according to claim 2, wherein: the main valve body (202) middle part is provided with the access window, and access window sealing installation access window apron (3), the sealing pad is installed to the hookup location of access window apron (3) and flush valve (2) main part, and a plurality of screw connection flush valve (2) main part of access window apron (3) periphery interval equipartition.

10. The pendent high pressure, closed cleaning apparatus according to claim 2, wherein: an observation window (4) is arranged at the lower part of the main valve body (202).