CN220004474U - Peripheral spraying device, scrubber and acid making purification system - Google Patents

Abstract

The utility model provides an external spraying device, a scrubber and an acid making purification system, which relate to the technical field of acid making and comprise the following components: the center of the flange is provided with a perforation; one end of the telescopic pipe assembly is connected with the flange plate and communicated with the perforation; spray the subassembly, spray the subassembly and include: the water guide pipe is sleeved at the other end of the telescopic pipe assembly, at least part of the water guide pipe penetrates through the telescopic pipe assembly, and one end, close to the perforation, of the water guide pipe assembly can penetrate through the perforation along with the expansion and contraction of the telescopic pipe assembly; the nozzle is connected with one end of the water guide pipe, which is close to the perforation. The utility model can replace the overflow weir, ensure normal production, and simultaneously ensure that a producer actively cleans and maintains the overflow weir, thereby realizing the active maintenance of the producer on the overflow weir water storage tank, avoiding the problem that water is not discharged or is not uniformly discharged after the water storage tank is blocked, and avoiding the phenomenon of forced overhaul after the water storage tank is blocked.

Description

Peripheral spraying device, scrubber and acid making purification system

Technical Field

The utility model relates to the technical field of acid production, in particular to an external spraying device, a scrubber and an acid production purifying system.

Background

The acid making purification system is responsible for daily washing and cooling of sulfur-rich gas in the system, has the functions of cooling, dedusting and the like aiming at the sulfur-rich gas generated in the adsorption regeneration process, is an important guarantee for normal conversion of sulfur dioxide gas and sulfuric acid production, generally consists of a first-stage efficient washer, a packing tower, a second-stage efficient washer, two electric demisters and other devices, and each washer of the acid making purification system is made of glass fiber reinforced plastic, can effectively slow down gas corrosion and prolong the service life of the device, but because glass fiber reinforced plastic has the defect of not resisting high temperature, the sulfur-rich gas at about 350 ℃ can cause rapid carbonization, rupture and even irreparable of a tower body, so that an overflow weir is arranged above a reverse spraying pipeline of the first-stage efficient washer, dilute acid in the washer is pumped into or automatically flows into a water storage tank of the overflow weir by using a circulating pump, and naturally overflows after being filled, the dilute acid or naturally falls down along the inner wall of the pipeline to form a water film, thereby achieving the purposes of sulfur-rich gas and protecting the device. In the high-temperature analysis process of active coke, the sulfur-rich gas contains a large amount of dust through physical abrasion and chemical reaction, and one of the main functions of the primary scrubber is to scrub the dust, namely the sludge content in a scrubber is relatively maximum.

The operation method of natural overflow of the overflow weir can cause a part of sludge to settle, so that the water storage tank of the overflow weir is blocked, the overflow weir cannot be discharged at 360 degrees or directly fails to function, and fluctuation in the production process and increase in the equipment failure rate can be caused no matter the sulfur-rich gas is cut off or the equipment is blocked in an emergency.

Disclosure of Invention

The utility model solves the problems that: and (3) actively cleaning and maintaining the overflow weir while ensuring normal production.

In order to solve the above problems, the present utility model provides a peripheral spray device, including: the center of the flange is provided with a perforation; one end of the telescopic pipe assembly is connected with the flange plate and communicated with the perforation; a spray assembly, the spray assembly comprising: the other end of the telescopic pipe assembly is sleeved with the water guide pipe, the water guide pipe at least partially penetrates through the telescopic pipe assembly, and one end, close to the perforation, of the water guide pipe assembly can penetrate through the perforation along with the expansion and contraction of the telescopic pipe assembly; the spray head is connected with one end of the water guide pipe, which is close to the perforation; the spray head is connected with one end of the water guide pipe, which is close to the perforation.

Optionally, the telescopic tube assembly includes flexible pipe, first coupling and second coupling, the one end of first coupling with the ring flange is connected, the other end of first coupling with the one end of flexible pipe is connected, the other end of flexible pipe with the one end of second coupling is connected, the second coupling cup joints the aqueduct.

Optionally, the telescopic tube is a PVC transparent steel wire hose.

Optionally, the spray head is a 360 ° rotary nozzle.

Optionally, the spraying assembly further comprises a nipple, one end of the nipple is connected with the spray head, and the other end of the nipple is connected with the corresponding end of the water guide pipe.

Optionally, a securing assembly is also included for limiting axial and radial movement of the water conduit.

Optionally, the water conduit extends from the other end of the extension tube assembly;

the fixing assembly comprises a plurality of locating rods and a plurality of sleeves, one ends of the locating rods are connected to the parts, extending out of the other ends of the telescopic pipe assemblies, of the water guide pipes, the sleeves are connected to the flange plates, and the other ends of the locating rods are used for being inserted into the corresponding sleeves.

Optionally, the fixing assembly further includes a plurality of wire hooks and a plurality of nuts, one ends of the wire hooks are connected to the portion of the water guide pipe extending from the other end of the telescopic pipe assembly, the nuts are connected to the flange plate, and the other ends of the wire hooks provided with hooks are used for hooking the corresponding nuts.

The present utility model also provides a scrubber comprising: the reverse spray pipe and the peripheral spray device are arranged in the reverse spray pipe.

The utility model also provides an acid making purification system, which comprises: a peripheral spray device as described above or a scrubber as described above.

Compared with the prior art, the utility model has the following beneficial effects:

the flange plate is used for being installed on an inspection manhole at the connection position of an acid gas pipeline and an overflow weir, the use is reasonable, the installation is simple, one end of a telescopic pipe assembly is connected with the flange plate and communicated with a perforation, the other end of the telescopic pipe assembly is sleeved with a water guide pipe, the tightness of the water guide pipe after the water guide pipe is inserted into a reverse spray pipe is improved, the pressure of an acid making purification system is prevented from being influenced, the water guide pipe at least partially penetrates into the telescopic pipe assembly, the telescopic pipe assembly can axially move along the flange plate when the telescopic pipe assembly stretches out and draws in the telescopic pipe assembly during the telescopic process, the flange plate can be covered on the inspection manhole in a flat pushing and sliding manner during the installation, the influence on the pressure in the acid making purification system is reduced, the telescopic pipe assembly is stretched out of the spray pipe assembly and inserted into the reverse spray pipe by utilizing the spray head to spray the inner wall of the reverse spray pipe, the purpose of replacing the overflow weir is achieved, the production method can be used for actively cleaning and maintaining the overflow weir when the normal production is ensured, the active maintenance of the overflow weir water storage tank by a producer is realized, the problem that the water storage tank is not blocked after the water storage tank is blocked is completely, the phenomenon is avoided, the phenomenon that the overflow water is blocked, and the overflow water is fully maintained is avoided, and the continuous production mode is guaranteed and the daily maintenance mode is sufficient is achieved.

Drawings

FIG. 1 is a schematic diagram of an embodiment of a peripheral spray device of the present utility model;

FIG. 2 is a left side view of an embodiment of the peripheral spray device of the present utility model;

fig. 3 is a schematic view of the structure of the peripheral spray device of the present utility model when mounted to a reverse spray pipe.

Reference numerals illustrate:

1. a flange plate; 2. a spray assembly; 21. a water conduit; 22. a nipple joint; 23. a spray head; 3. a telescoping tube assembly; 31. a telescopic tube; 32. a first pipe joint; 33. a second pipe joint; 4. a fixing assembly; 41. a positioning rod; 42. a wire hook; 43. a nut; 44. a sleeve.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the description of the embodiments of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of describing the embodiments of the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the embodiments of the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present specification, reference to the terms "embodiment," "one embodiment," "another embodiment," and the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or implementation is included in at least one embodiment or implementation of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same examples or implementations. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or implementations.

Referring to fig. 1 and 3, an embodiment of the present utility model provides a peripheral spray device, including: the flange plate 1 is provided with a perforation at the center of the flange plate 1; the telescopic pipe assembly 3, one end of the telescopic pipe assembly 3 is connected with the flange plate 1 and communicated with the perforation; spray assembly 2, spray assembly 2 includes: the other end of the telescopic pipe assembly 3 is sleeved with the water guide pipe 21, the water guide pipe 21 at least partially penetrates through the telescopic pipe assembly 3, and one end, close to the perforation, of the water guide pipe 21 assembly can penetrate through the perforation along with the expansion and contraction of the telescopic pipe assembly 3; the nozzle 23, the nozzle 23 is connected with one end of the water guide pipe 21 near the perforation.

Specifically, the flange plate 1 can be a solar standard flange, a ring connection and butt welding flange and the like with a perforated center, when the overflow weir is actively cleaned and maintained, the flange plate 1 is installed on an inspection manhole at the connection position of an acid gas pipeline and the overflow weir, for example, the acid gas pipeline can be a sulfur-rich pipeline, because a water seal is arranged in an acid making purification system for pressure protection, the inspection manhole is directly opened during production to cause water seal instant pumping to form accidents, the peripheral spraying device needs to be installed with the flange plate 1 for sealing the inspection manhole, in order to furthest reduce the influence on the pressure in the acid making purification system, firstly, the bolt of the flange on the inspection manhole on the sulfur-rich pipeline is removed, and because one end of the telescopic pipe assembly 3, which is far away from the flange plate 1, is sleeved outside the water guide pipe 21 and is connected with the water guide pipe 21, the water guide pipe 21 is pumped up, the telescopic pipe assembly 3 can be driven to be stretched and lengthened, so that the spray head 23 can be accommodated in the telescopic pipe assembly 3, the flange plate 1 is extruded to open the flange on the inspection manhole by a flat pushing sliding method, namely, the peripheral surface of the flange plate 1 is propped against the flange on the inspection manhole, the thrust is applied until the flange on the inspection manhole is completely extruded, the flange plate 1 covers the inspection manhole in a sliding cover manner, the replacement is completed, the spray head 23 is accommodated in the telescopic pipe assembly 3, so that the flange plate 1 is not blocked when being pushed, the flat pushing sliding replacement method is adopted, the effect similar to seamless connection is achieved, the gas exchange amount between an acid making purification system and the outside atmosphere is greatly reduced, the influence on the pressure in the acid making purification system is effectively reduced, the flange plate 1 is arranged on the inspection manhole by bolts, and then the water guide pipe 21 made of metal materials is pushed down, the telescopic pipe assembly 3 is compressed and shortened, and then the spray head 23 extends into the reverse spray pipe from the telescopic pipe assembly 3 until the telescopic pipe assembly 3 is compressed to the shortest distance, at the moment, the spray head 23 is positioned in the reverse spray pipe, a water source is opened to spray the inner wall of the reverse spray pipe by using the spray head 23, so that clear water can be sprayed, dilute acid can be sprayed, the dilute acid or clear water naturally falls down along the inner wall of the reverse spray pipe to form a liquid film or a water film, and therefore the purposes of isolating sulfur-rich gas and protecting equipment are achieved.

In this embodiment, the ring flange 1 is used for installing on the inspection manhole of acid gas pipeline and overflow weir hookup location, use rationally, install simply, the one end of flexible pipe assembly 3 is connected and with the perforation intercommunication with ring flange 1, flexible pipe assembly 3's the other end cup joints aqueduct 21, the leakproofness after the aqueduct 21 inserts the contrary spray tube has been improved, avoid making the pressure of sour clean system to receive the influence, and aqueduct 21 at least part wears to locate in flexible pipe assembly 3, flexible pipe assembly 3 can follow ring flange 1 axial displacement when flexible, with shower nozzle 23 receipts flexible pipe assembly 3 when the installation, make ring flange 1 cover to inspection manhole with flat push sliding's mode, then stretch out flexible pipe assembly 3 with shower nozzle 23 and insert in the contrary spray tube, utilize shower nozzle 23 to spray to contrary spray the spray tube inner wall, form liquid film or water film along contrary spray tube inner wall, promptly the effect that peripheral hardware of this embodiment can replace the overflow weir, actively carry out spraying operation, in order to reach rich sulfur gas, protection equipment's effect, on the other hand, while guaranteeing the peripheral hardware, can follow-up the overflow pump through implementing the normal operation of spraying device and can not be forced down to the overflow pump to take place the maintenance after the overflow weir has been realized, the continuous maintenance of the maintenance is not carried out, the problem is avoided in the circulation pump has been forced down, the continuous maintenance has been carried out, the problem has been solved and has been maintenance down.

It should be noted that, the peripheral spraying device of the embodiment does not need personnel on duty except the manpower used in the installation process, the problem of rising of the liquid level in the scrubber is caused in the spraying process, and only the bottom blow-down valve is properly opened for balance adjustment; the investment cost is extremely low, if the problems of perforation and the like of the water guide pipe 21 corroded by sulfur dioxide in the sulfur-rich gas occur in long-time use, the water guide pipe 21 is cleaned by clear water after the water guide pipe 21 is taken out after the reverse operation according to the content after the use is completed and the leftover materials are used for remanufacturing.

Alternatively, as shown in connection with FIG. 1, extension tube assembly 3 includes extension tube 31, first tube fitting 32 and second tube fitting 33, one end of first tube fitting 32 is connected to flange 1, the other end of first tube fitting 32 is connected to one end of extension tube 31, the other end of extension tube 31 is connected to one end of second tube fitting 33, and second tube fitting 33 is sleeved with water guide tube 21.

Specifically, the first pipe joint 32 may be a metal pipe joint and may be connected to the flange 1 by adopting a welding manner, and it should be noted that, to ensure that the first pipe joint 32 and the through hole are in a coaxial position as much as possible, the first pipe joint 32 is communicated with the through hole, the second pipe joint 33 may be a metal pipe joint and may be sleeved on the outer peripheral surface of the middle part of the water conduit 21 by adopting a welding manner, and two ends of the telescopic pipe 31 are sleeved on the outer peripheral surfaces of the first pipe joint 32 and the second pipe joint 33.

In this embodiment, one end of the first pipe joint 32 is connected to the flange 1, and the first pipe joint 32 is communicated with the through hole, so that the water conduit 21 can freely pass through the through hole, and both ends of the telescopic pipe 31 are respectively connected to the first pipe joint 32 and the second pipe joint 33, so that the telescopic pipe 31 can be stretched or compressed when the water conduit 21 moves along the axial direction, and the tightness in the telescopic pipe 31 is always maintained, thereby avoiding the influence on the pressure of the acid making purification system.

Alternatively, as shown in connection with fig. 1, the bellows 31 is a PVC clear steel hose.

Specifically, the first pipe joint 32 and the second pipe joint 33 may be hose joints that mate with PVC clear wire hoses that are sleeved onto the first pipe joint 32 and the second pipe joint 33 when installed.

In this embodiment, the PVC transparent steel hose has the advantages of pressure resistance, oil resistance, corrosion resistance, acid and alkali resistance, good flexibility, no brittle fracture, difficult aging, etc., and the service life of the telescopic tube 31 is improved.

Alternatively, as shown in connection with fig. 1, the spray head 23 is a 360 ° rotating nozzle.

Specifically, the 360-degree rotary nozzle adopts the prior conventional technology, and according to the water supply pressure, the 360-degree rotary nozzle which can uniformly spray the clear water on the inner wall of the reverse spray pipe is selected.

In this embodiment, 360 rotatory nozzle can evenly spray the clear water to contrary spray tube inner wall to can form the water film at contrary spray tube inner wall fast.

Optionally, as shown in connection with fig. 1, the spray assembly 2 further comprises a nipple 22, one end of the nipple 22 being connected to the spray head 23, and the other end of the nipple 22 being connected to a corresponding end of the water conduit 21.

Specifically, the nipple 22 is matched with the nozzle 23, and both ends of the nipple 22 may have a threaded structure, so that the corresponding end portion of the water conduit 21 is shaped to form a matched threaded structure, so that both ends of the nipple 22 are respectively in sealing threaded connection with the end portion of the water conduit 21 and the nozzle 23.

In this embodiment, the nipple 22 can be used to quickly attach the nozzle 23 to the end of the water conduit 21, and also can be used to quickly detach the nozzle 23 from the end of the water conduit 21, so as to realize quick attachment and detachment of the nozzle 23.

Optionally, as shown in connection with fig. 1 and 2, a securing assembly 4 is also included, the securing assembly 4 being adapted to limit axial and radial movement of the water conduit 21.

In particular, the fixing assembly 4 serves to limit the axial and radial movements of the water conduit 21, i.e. the water conduit 21 can be limited by the fixing assembly 4 after being inserted into the counter spout.

In this embodiment, the fixing component 4 can limit the axial movement and the radial movement, so as to improve the stability of the peripheral spraying device during spraying operation.

Alternatively, as shown in connection with FIGS. 1 and 2, a water conduit 21 extends from the other end of the extension tube assembly 3; the fixing assembly 4 comprises a plurality of positioning rods 41 and a plurality of sleeves 44, one ends of the positioning rods 41 are connected to the parts of the water guide pipes 21 extending from the other ends of the telescopic pipe assemblies 3, the sleeves 44 are connected to the flange plate 1, and the other ends of the positioning rods 41 are used for being spliced with the corresponding sleeves 44.

Specifically, the positioning rods 41 are at least three rigid rods and are uniformly distributed and arranged in the circumferential direction of the water guide pipe 21 to form a triangular stable structure, one end of each positioning rod 41 can be welded on the water guide pipe 21, a certain angle is reserved between each positioning rod 41 and the water guide pipe 21 during welding, the positioning rods are convenient to be inserted into the corresponding sleeve 44, the number of the sleeve 44 is matched with that of the positioning rods 41, the sleeve 44 can be welded on one side surface of the flange plate 1, and after the water guide pipe 21 is inserted into the reverse spray pipe, the positioning rods 41 are inserted into the sleeve 44 in a bending mode.

In this embodiment, one end of the positioning rod 41 is connected to the water conduit 21, and the sleeve 44 is connected to the corresponding side surface of the flange 1, so that the other end of the water conduit 21 can be inserted into the sleeve 44, thereby preventing the water conduit 21 from moving in the radial direction and improving the stability of the water conduit 21 during spraying operation.

Optionally, as shown in connection with fig. 1 and 2, the fixing assembly 4 further includes a plurality of wire hooks 42 and a plurality of nuts 43, one ends of the wire hooks 42 are connected to portions of the water guide tube 21 extending from the other ends of the extension tube assembly 3, the nuts 43 are connected to the flange plate 1, and the other ends of the wire hooks 42 provided with hooks are used for hooking onto the corresponding nuts 43.

Specifically, the wire hook 42 may be a wire with a hook at one end, at least two wire hooks 42 are symmetrically arranged with respect to the water guide pipe 21, the other end of the wire hook 42 is welded on the outer wall of the water guide pipe 21, the nut 43 may be welded on the corresponding side surface of the flange plate 1, and after welding, the axis of the nut 43 is parallel to the flange plate 1, so that the end with the hook of the wire hook 42 can hook the nut 43, and the nut 43 may be replaced by a pull ring or the like.

In this embodiment, the wire hook 42 has a certain elasticity, and after the water guide tube 21 is inserted into the reverse nozzle, one end of the wire hook 42 with the hook is hooked into the nut 43, so that the water guide tube 21 can be prevented from moving along the axial direction, and the stability of the water guide tube 21 during spraying operation can be improved.

The devices such as the water guide tube 21, the positioning rod 41, the steel wire hook 42, the nut 43, the sleeve 44 and the like can use leftover materials, namely waste parts replaced from other devices, so that the manufacturing cost is reduced.

The utility model also provides a scrubber, and the reverse spray pipe of the scrubber is internally connected with the external spray device, and the scrubber has the same advantages as the external spray device.

The utility model also provides an acid making purification system which has the same advantages as the above because of the peripheral spraying device or the scrubber.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. A peripheral spray device, comprising:

the flange plate (1), the centre of the flange plate (1) is provided with a perforation;

the telescopic pipe assembly (3), one end of the telescopic pipe assembly (3) is connected with the flange plate (1) and communicated with the perforation;

spray assembly (2), spray assembly (2) includes:

the other end of the telescopic pipe assembly (3) is sleeved with the telescopic pipe assembly (21), the telescopic pipe assembly (3) is at least partially penetrated by the telescopic pipe assembly (21), and one end, close to the perforation, of the telescopic pipe assembly (21) can penetrate through the perforation along with the expansion and the contraction of the telescopic pipe assembly (3);

and the spray head (23) is connected with one end of the water guide pipe (21) close to the perforation.

2. The peripheral spray device of claim 1, wherein the extension tube assembly (3) comprises an extension tube (31), a first tube connector (32) and a second tube connector (33), one end of the first tube connector (32) is connected with the flange plate (1), the other end of the first tube connector (32) is connected with one end of the extension tube (31), the other end of the extension tube (31) is connected with one end of the second tube connector (33), and the second tube connector (33) is sleeved with the water guide tube (21).

3. The external shower device according to claim 2, wherein the telescopic tube (31) is a PVC transparent steel hose.

4. A peripheral spray device according to claim 3, characterized in that the spray head (23) is a 360 ° rotating nozzle.

5. The external shower device according to claim 4, wherein the shower assembly (2) further comprises a nipple (22), one end of the nipple (22) being connected to the shower head (23), the other end of the nipple (22) being connected to a corresponding end of the water conduit (21).

6. A peripheral spray device according to claim 1, further comprising a securing assembly (4), said securing assembly (4) being adapted to limit axial and radial movement of said water conduit (21).

7. The external shower device according to claim 6, wherein the water conduit (21) extends from the other end of the extension tube assembly (3);

the fixing assembly (4) comprises a plurality of locating rods (41) and a plurality of sleeves (44), one ends of the locating rods (41) are connected to parts, extending out of the other ends of the telescopic pipe assemblies (3), of the water guide pipes (21), the sleeves (44) are connected to the flange plate (1), and the other ends of the locating rods (41) are used for being inserted into the corresponding sleeves (44).

8. The peripheral spray device of claim 7, wherein the fixing assembly (4) further comprises a plurality of wire hooks (42) and a plurality of nuts (43), one end of the wire hooks (42) being connected to a portion of the water guide tube (21) extending from the other end of the extension tube assembly (3), the nuts (43) being connected to the flange plate (1), the other end of the wire hooks (42) provided with hooks for hooking onto the corresponding nuts (43).

9. A scrubber, comprising: a reverse spout and an external spray device according to any one of claims 1 to 8, said external spray device being provided in said reverse spout.

10. An acid making purification system, comprising: a peripheral spray device as claimed in any one of claims 1 to 8 or a scrubber as claimed in claim 9.