JP2012157813A - Dry desulfurizer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a dry desulfurizer, in which cartridge containers each having an insertable and detachable structure stored in a water seal state are formed dividedly horizontally or vertically in a plurality of steps, and workability in exchanging desulfurization agents and limitation in working place are considered.SOLUTION: In a cartridge container 2 having an insertable and detachable structure formed with a plurality of sections, a filling agent 6 is supported securely at a lower part inside an outer shell 1 of the desulfurizer, and a desulfurization agent 5 is filled. The cartridge container 2 is formed with a plurality of horizontally divided container sections 2A-2B or vertically divided container sections 14A-14D so that the cartridge container 2 can be inserted and released from the upper part inside the outer shell 1 of the desulfurizer to be stored and to be exchanged. Further, each divided container section is provided with an instrument for hanging up and down.

Description

  The present invention relates to a dry desulfurizer provided with a cartridge container having a detachable structure.

As shown in FIG. 11, the conventional general dry desulfurizer is filled with a support material 33 made of crushed stone or the like on a lower floor plate 32 inside a cylindrical desulfurizer outer shell 31. A desulfurization agent 34 for removing hydrogen sulfide and the like in the exhaust gas is filled on the top.
When replacing the desulfurizing agent 34 and the support material 33 inside the desulfurizer outer shell 31, the residual gas inside the desulfurizer is replaced with nitrogen gas to perform ventilation and deodorization. After confirming the performance, the desulfurization agent is sucked in by using a vacuum vehicle, and the worker enters inside and scrapes the remaining desulfurization agent manually. After that, a new desulfurizing agent was suspended, and an operator entered inside to perform filling work.

FIG. 12 shows a technique in which the desulfurization agent is taken out and replaced with the cartridge container so that the operator does not have to scrape and fill the desulfurization agent (34).
This desulfurizer has a structure in which a cartridge container 22 filled with a desulfurizing agent 25 is accommodated in a desulfurizer outer shell 21 and a skirt-like lower end edge 23 is supported in a liquid-sealed state on an overhang member 24.

  As a conventional example, the invention technique of Patent Document 1 includes a “gas reaction tank” disclosed in Japanese Patent Application Laid-Open No. 62-210037. The outline is a water sealer in which a plurality of catalyst mounting pallets are mounted on a support beam provided inside a housing for storing a catalyst, a skirt portion is further provided on a lid, and the skirt portion is provided on an upper portion of the housing. Is fitted.

  Further, the invention technique of Patent Document 2 includes a “bucket type reactor” disclosed in Japanese Utility Model Laid-Open No. 6-7831. The outline is that a receiving plate for supporting the bucket is installed on the side wall of the reaction tower, and a water sealing mechanism is disposed on the receiving plate and fixedly held.

  Further, the invention technique of Patent Document 3 includes a “deodorizing device” disclosed in Japanese Patent Laid-Open No. 2002-136833. The outline is a structure in which a mist removing unit, a dehumidifying unit, and a deodorizing unit are provided in a deodorizing tower.

Furthermore, the invention technique of Patent Document 4 includes “a dry desulfurizer and a method for replacing the desulfurizing agent” disclosed in Japanese Patent Application Laid-Open No. 2007-29934. The outline is that a cartridge container filled with a desulfurizing agent is detachably inserted into a desulfurizer outer shell and stored in a liquid-sealed state.

JP 62-210037 A Japanese Utility Model Publication No. 6-7831 JP 2002-136833 A JP 2007-29934 A

  In the conventional general dry desulfurizer shown in FIG. 11, when replacing the desulfurizing agent 34 in the desulfurizer outer shell 31 and the support member 33 therebelow, temporary equipment such as a ventilation fan and a deodorizer, a dump truck and a vacuum are provided. Large-scale replacement facilities such as cars were necessary. In addition, a large amount of cooling washing water must be sprayed to prevent exothermic ignition by the waste desulfurization agent and dust generation. Furthermore, since an operator enters the desulfurizer outer shell 31 and replaces the desulfurizing agent, air supply for preventing oxygen shortage, the worker's dust mask, air respirator, safety monitor, etc. are indispensable. It took considerable effort and safety measures to replace the agent.

  Further, the technique of taking out the entire cartridge container 22 shown in FIG. 12 and replacing the desulfurizing agent 25 at a time makes the work large because the cartridge container 22 is large in size and excessive in weight. There was a case where restrictions such as height occurred.

  The invention of Japanese Patent Application Laid-Open No. Sho 62-210037 of Patent Document 1 is that the structure of the support beam is complicated, and it is difficult to put in and take out when replacing the pallet, and it is fitted to the upper water sealer. The lid became unstable.

  In addition, the invention of Japanese Utility Model Publication No. Hei 6-7831 “Bucket type reactor” in Patent Document 2 can replace the processing agent in the bucket installed in a water seal with high work efficiency, but replacement is difficult in a large apparatus. It was.

  Japanese Patent Laid-Open No. 2002-136833 “Deodorizing Device” of Patent Document 3 does not have a structure in which the mist removing unit and the deodorizing unit in the deodorizing tower are replaced with good workability.

  Furthermore, the cartridge container disclosed in the invention of Japanese Patent Application Laid-Open No. 2007-29934 “Dry desulfurizer and its desulfurizing agent replacement method” is large and excessively heavy. In some cases, the location may be restricted, and the lifting equipment may become large and the lifting allowance may become large, making replacement work difficult. Furthermore, depending on the size of the lifting load, it was necessary to apply for permission to install a crane, obtain a crane work license, and special training in slinging.

The object of the present invention has been made in view of the problems of the prior art as described above, and the cartridge container accommodated in a water-sealed state with a detachable structure is divided into a plurality of horizontal stages or a plurality of vertical stages, The present invention provides a desulfurizer that improves the workability of desulfurization agent replacement and copes with restrictions on work places.

  The dry desulfurizer according to the first aspect of the present invention is a cartridge container divided into a plurality of insertable and detachable structures in which a filler is fixedly supported inside the desulfurizer outer shell and filled with a desulfurizing agent. It is formed in a plurality of horizontally divided containers so that it can be inserted and removed from the inside of the outer shell of the desulfurizer, and is formed in a plurality of vertically divided containers, and is suspended from each of these divided containers. Means is provided.

  The dry desulfurizer of the invention according to claim 2 is configured such that each of the divided containers in which the plurality of horizontally divided containers are accommodated in the outer shell of the desulfurizer is laminated in an elastically sealed state, A hand hole is provided in the position of the outer shell of the desulfurizer in the vicinity, and the upper and lower seal pots in the outer shell of the desulfurizer are formed in a sealed state.

The dry desulfurizer of the invention according to claim 3 is characterized in that the lower edges of the plurality of vertically divided containers are supported in a sealed state by seal pots provided on a peripheral wall and a bottom wall inside the outer shell of the desulfurizer. To do.

  The dry desulfurizer according to the first aspect of the present invention is a cartridge container divided into a plurality of insertable and detachable structures in which a filler is fixedly supported inside the desulfurizer outer shell and filled with a desulfurizing agent. It is formed in a plurality of horizontally divided containers so that it can be inserted and removed from the inside of the outer shell of the desulfurizer, and is formed in a plurality of vertically divided containers, and is suspended from each of these divided containers. Since the means is provided, each divided container can be reduced in size and weight, so the lifting equipment and transport equipment can be reduced, and the lifting load and lifting allowance can be reduced to handle it according to the installation place and work place. The workability can be improved.

  The dry desulfurizer of the invention according to claim 2 is configured such that each of the divided containers in which the plurality of horizontally divided containers are accommodated in the outer shell of the desulfurizer is laminated in an elastically sealed state, Hand holes are provided in the vicinity of the desulfurizer outer shell in the vicinity, and the upper and lower seal pots in the desulfurizer outer shell are formed in a sealed state, so the sealability of the divided container stacking part can be checked from the hand hole, In addition, when replacing the divided container, the hand can be inserted to cancel the installation of the hanging tool. In addition, a short gas path from the upper and lower liquid seals can be prevented.

In the dry desulfurizer of the invention according to claim 3, since the lower edges of the plurality of vertically divided containers are supported in a sealed state by seal pots provided on the peripheral wall and bottom wall inside the desulfurizer outer shell, The flat area can be widened and the height can be reduced to reduce the lifting load and the suspension allowance, and the gas sealing performance by liquid sealing can be ensured together with the divided containers.

It is side sectional explanatory drawing of the dry-type desulfurizer which accommodated the several horizontal division | segmentation cylindrical cartridge container of 1st Example based on this invention. FIG. 2 is a partially enlarged explanatory view in the vicinity of the handhole of FIG. 1. FIG. 2 is an explanatory side sectional view of the plurality of horizontally divided cylindrical cartridge containers of FIG. 1. FIG. 4 is an explanatory side sectional view of the uppermost divided container of the plurality of horizontally divided cylindrical cartridge containers of FIG. 3. FIG. 4 is a side cross-sectional explanatory view of the divided containers in the middle to lower stages of the plurality of horizontally divided cylindrical cartridge containers in FIG. 3. FIG. 4 is an explanatory side sectional view of the lowermost support of the multiple horizontally divided cylindrical cartridge container of FIG. 3. It is side sectional explanatory drawing of the dry-type desulfurizer which accommodated the several vertically divided cylindrical cartridge container of 2nd Example based on this invention. FIG. 8 is an explanatory side sectional view of the multiple vertically divided cylindrical cartridge container of FIG. 7. FIG. 9 is an explanatory plan view of FIG. 8. It is perspective explanatory drawing which shows the division | segmentation container of a vertically divided cylindrical cartridge container. It is sectional explanatory drawing which shows the conventional general dry desulfurizer. It is sectional explanatory drawing which shows the conventional cylindrical cartridge container.

The structure of the dry desulfurizer according to the present invention will be described with reference to FIGS.
FIG. 1 is a dry desulfurizer containing a plurality of horizontally divided cylindrical cartridge containers according to the first embodiment of the present invention, and FIG. 2 shows the vicinity of a handhole portion. 3 is a side sectional view of a plurality of horizontally divided cylindrical cartridge containers, FIG. 4 shows the uppermost divided container, FIG. 5 shows the intermediate divided container, and FIG. 6 shows the lowermost support.
FIG. 7 shows a dry desulfurizer containing a plurality of vertically divided cylindrical cartridge containers according to the second embodiment of the present invention. FIG. 8 shows a side cross section of a plurality of vertically divided cylindrical cartridge containers, and FIG. 9 is an explanatory plan view thereof. FIG. 10 shows a split container of a vertically divided cylindrical cartridge container.
In this way, by forming the cartridge container into a plurality of horizontally divided or vertically divided containers, and by providing a lifting means for each of these divided containers, each divided container can be reduced in size and weight. The transport equipment can be reduced, and the lifting load and the lifting allowance can be reduced to improve the handling workability corresponding to the installation place and the work place.

  This multiple vertically divided cylindrical cartridge container is applied when there are restrictions on the installation location and work place of the desulfurization equipment, and it can reduce the lifting load and reduce the lifting allowance, thereby reducing the desulfurization agent replacement work, hoist and small crane Etc. can be used to simplify the suspension work. In addition, application for permission to install cranes, acquisition of crane work licenses, and special education on slinging work are minimized. For crane operation and slinging operations, apply to safety regulations such as cranes that are classified as lifting load, less than 0.5 tons, less than 1.5 tons, less than 3 tons, etc. Adaptable and safe work.

As shown in FIG. 1, the dry desulfurizer containing a plurality of horizontally divided cylindrical cartridge containers according to the first embodiment has a gas inlet at the lower side surface of the desulfurizer outer shell 1, a gas outlet at the center of the upper cover plate, A side manhole is provided on the lower side. The lid plate is provided with a cylindrical skirt 8 and further with a hanging metal fitting for lifting and opening. A floor plate is provided in the lower part of the side manhole below the inside of the desulfurizer outer shell 1, and a filler 6 is filled and fixedly supported on the floor plate. This filler 6 separates and removes the mist of condensed water generated when the exhaust gas is cooled.
A cylindrical cartridge container 2 filled with a desulfurizing agent 5 is detachably accommodated inside the desulfurizer outer shell 1. The desulfurizer outer shell 1 is provided with a seal pot 4 made of an overhang member, and the skirt-shaped cylindrical lower edge 3 of the cylindrical cartridge container 2 is inserted into the seal pot 4 in a liquid-sealed state. Support.

Further, as shown in FIG. 1, hand holes 7 are provided at a plurality of positions along the outer periphery of the desulfurizer outer shell 1 in the vicinity of the laminated locations of the divided containers 2A and 2B, for example, 3 to 4 locations.
As shown in the partially enlarged explanatory view of FIG. 2, when replacing the divided containers 2A and 2B, a hand is inserted from the hand hole 7 to attach and remove the lifting means and the hanging means such as a wire, a lifting tool and a shaft for overturning. . In addition, the inside of the hand hole 7 is looked into and the stacked portions of the divided containers 2A and 2B are inspected. Thus, by providing the hand hole 7 at an appropriate position on the outer periphery of the desulfurizer outer shell 1, the operator can safely perform maintenance inspection and replacement work without entering the desulfurizer.

As shown in FIG. 3, the cylindrical cartridge container 2 is formed in a plurality of stages divided horizontally by an uppermost divided container 2A, an intermediate divided container B1, B2, and a lowermost divided container B3. A skirt-shaped support base 2C is provided at the bottom.
Further, the uppermost divided container 2A is provided with an upper seal pot 9 projecting inward, and a cylindrical skirt portion 8 below the cover plate is inserted into the seal pot 9 to form a liquid-sealed state.
The seal pots 4 and 9 are formed in a groove-shaped support portion along the circumferential direction, and a liquid such as water or oil is put into the groove-shaped support portion to maintain the liquid level. maintain.
The lower seal pot 4 holds the liquid seal, thereby preventing the exhaust gas passing through the desulfurizing agent 5 from passing through the desulfurizing agent 5 and preventing a short pass from the gap on the outer peripheral side of the cartridge container 2. A sealing effect can be obtained. The upper seal pot 9 is restricted so that it does not discharge from the upper part when the desulfurizing agent 5 is deteriorated and clogged during use or when leaked gas is generated between the divided containers 2A, 2B, 2C in each stage. ing.

  As shown in FIG. 4, the uppermost divided container 2 </ b> A divided horizontally in a plurality of stages is provided with a circular plate-shaped receiving floor 11 on a receiving bone 10 at the bottom of a cylinder, and on the receiving floor 11. A desulfurizing agent 5 is filled. An upper seal pot 9 projecting inward is provided at the upper part of the uppermost divided container 2A, a flange 12 is provided at the lower part, and a sheet packing 13 having elasticity such as Teflon (registered trademark) between the upper divided container and the lower divided container. A sealed state is obtained by interposing.

  As shown in FIG. 5, the intermediate divided container 2 </ b> B divided horizontally in a plurality of stages is provided with a circular plate-shaped receiving floor 11 on a receiving bone 10 at the bottom of a cylinder, and desulfurization is performed on the receiving floor 11. Agent 5 is filled. Flange 12 is provided on the upper and lower parts of the intermediate divided container 2B, and a sheet packing 13 and 13 having elasticity such as rubber material is interposed between the upper and lower divided containers to obtain a sealed state.

FIG. 6 shows a support base 2C installed under the lowermost divided container 2B of a plurality of horizontally divided cylindrical cartridge containers.
The lower part of the support base 2C is formed in a skirt-like cylindrical lower edge 3, a flange 12 is provided on the upper part, and a sheet packing 13 is interposed between the uppermost divided container 2B.

  As described above, the connection of each stage-divided container of the cylindrical cartridge container 2 that is divided into a plurality of horizontally divided layers is supported by a linear contact that is pressurized by gravity without sticking, and elastic pressure works, so there is no leakage. Prevent short path of odorous gas and harmful gas.

  It should be noted that, although not shown in the drawings, each stage that is divided into a plurality of horizontally divided layers is provided with lifting means such as a lifting tool and a tipping shaft. The replacement operation of the desulfurizing agent inside each of the multistage divided containers can be performed easily and in a short time by reducing the weight.

As shown in FIG. 7, the dry desulfurizer containing a plurality of vertically divided cylindrical cartridge containers according to the second embodiment has a gas inlet at the lower side surface of the desulfurizer shell 1, a gas outlet at the upper side surface, and a gas outlet at the lower side surface. A side manhole will be provided. The upper lid plate is provided with a hanging metal fitting for lifting and opening. A floor plate is provided in the lower part of the side manhole below the inside of the desulfurizer outer shell 1, and a filler 6 is filled and fixedly supported on the floor plate. This filler 6 separates and removes the mist of condensed water generated when the exhaust gas is cooled.
A cylindrical cartridge container 2 filled with a desulfurizing agent 5 is detachably accommodated inside the desulfurizer outer shell 1. The cylindrical cartridge container 2 is vertically divided into a plurality of divided containers 14 and has a large flat area and a low height to reduce a lifting load and a lifting allowance.
The lower part of each of the plurality of divided containers 14 is formed in a skirt-like lower edge 15, and a seal pot 16 is provided on the inner wall and the bottom wall of the desulfurizer outer shell 1. The skirt-like lower edge 15 is inserted in a liquid-sealed state to support the load.

  The seal pot 16 is formed in a groove-shaped support portion provided in the circumferential direction and the diameter direction, and a liquid such as water or oil is put into the groove-shaped support portion to maintain a liquid level and in a liquid-sealed state. To maintain. Thus, by holding the liquid seal of the skirt-like lower edge 15 together with the divided container 14, the exhaust gas passing through the desulfurizing agent 5 is prevented from short-passing without passing through the desulfurizing agent 5 and excellent sealing properties. Can be secured.

  As shown in FIG. 8, in each of the divided containers 14 divided into a plurality of parts, a receiving floor 11 having a ventilation structure is provided on the lower receiving bone 10, and the desulfurizing agent 5 is filled on the receiving floor 11. Further, a lifting tool slightly inclined inward to facilitate lifting is provided at the upper end, and a guide slightly protruded to the outer peripheral side is provided on the peripheral wall so that it can be easily pulled out smoothly. It forms so that 14 can be extracted smoothly. In addition, a tipping shaft is provided at the upper part of each divided container 14, and a hook for raising the bottom is provided at the lower part.

FIG. 9 is a plan view of each of the plurality of vertically divided divided containers 14 and shows a case where four divided containers 14A, 14B, 14C, and 14D are formed orthogonally.
The number of divisions is set to a plurality such as 2, 3, 6, etc. corresponding to the size and weight of the cartridge container. In addition, lifting means such as a lifting tool, a guide, a shaft for falling, and a hook for raising the bottom are provided at appropriate places.

FIG. 10 shows the vertically divided divided containers 14. A receiving floor 11 having a ventilation structure is provided on the receiving bone 10 below the divided container 14, and the desulfurizing agent 5 is filled on the receiving floor 11. Although not shown, lifting means such as a guide and a bottom raising hook are provided.
The vertically divided division container 14 can reduce the lifting load and the lifting allowance by reducing the height by reducing the height of the facility and reducing the height and the internal desulfurization. The replacement work of the agent 5 can be performed easily and in a short time.

The multi-part cartridge container according to the present invention is not limited to a dry desulfurizer, and can be easily and safely exchanged in a large reactor filled with a catalyst or the like. Can be applied to.

1 Desulfurizer shell
2 cartridge containers
2A, 2B divided container
2C support stand
3 skirt members
4 seal pot
5 Desulfurization agent
6 fillers
7 hand hole
8 skirt members
9 seal pot
10 bones
11 support plate
12 flange
13 sheet packing 14, 14A, 14B, 14C, 14D division container
15 bottom edge
16 seal pot

21 Desulfurizer shell
22 cartridge containers
23 bottom edge
24 overhang member
25 Desulfurization agent

31 Desulfurizer shell
32 floor boards
33 support material
34 Desulfurization agent

Claims (3)

  A cartridge container having a plurality of detachable structures in which a filler is fixed and supported inside the desulfurizer outer shell and filled with a desulfurization agent, the cartridge container being detachable from the upper interior of the desulfurizer outer shell. A dry desulfurizer characterized in that it is formed in a plurality of horizontally divided containers so as to be accommodated and exchanged, or formed in a plurality of vertically divided containers, and each of these divided containers is provided with lifting means. .   Each of the divided containers in which the plurality of horizontally divided containers are accommodated in the inside of the desulfurizer outer shell are laminated in an elastically sealed state with each other, and a hand hole is provided at the position of the desulfurizer outer shell in the vicinity of the laminated container. The dry desulfurizer according to claim 1, wherein the dry desulfurizer is provided and sealed in an upper and lower seal pot in the outer shell of the desulfurizer. The dry desulfurizer according to claim 1, wherein the lower edges of the plurality of vertically divided containers are supported in a sealed state by seal pots provided on a peripheral wall and a bottom wall inside the desulfurizer outer shell.

Images