CN220878323U - Polymer denitration device of furnace body internal circulation - Google Patents

Abstract

The utility model discloses macromolecule denitration equipment with internal circulation of a furnace body, and relates to the technical field of flue gas treatment equipment. The heat preservation device comprises a shell and a heat preservation cover arranged at the top of the shell, wherein a circulating shell is arranged at the center of the outer walls of two sides of the shell, a premixing component is arranged at the inner top of the shell, a circulating component is arranged at the inner bottom end of the circulating shell, and an air injection component is arranged at one side of the bottom of the shell. According to the utility model, the catalytic effect and efficiency of the catalyst can be improved through the premixing component and the circulating component, meanwhile, the completely catalyzed smoke can be subjected to repeated circulating denitration treatment, so that the denitration efficiency and effect are improved, the high polymer denitration agent and the smoke are blown to the upper part by utilizing the air injection component, the reaction efficiency and effect of the high polymer denitration agent and the smoke are improved, and the waste of the high polymer denitration agent is reduced.

Description

Polymer denitration device of furnace body internal circulation

Technical Field

The utility model belongs to the technical field of flue gas treatment equipment, and particularly relates to polymer denitration equipment with internal circulation of a furnace body.

Background

Along with the development of society and science and technology, equipment in each field has all obtained very big promotion, and in industrial kiln production process, can produce a large amount of flue gas that contain nitrogen oxide, and these flue gas direct emission can cause serious influence to atmospheric environment not through handling, so need carry out corresponding denitration treatment through polymer denitration equipment in the flue gas emission process, improved denitration efficiency and effect greatly.

Through retrieval, publication number CN216260043U, application day 2021.11.22 discloses a high-efficiency polymer flue gas denitration device, and belongs to the technical field of flue gas denitration environment-friendly equipment; can solve denitration efficiency lower to can't adjust the medicament ejection amount according to nitrogen oxide's concentration, extravagant medicament's problem includes: the main part device, mixing chamber, spout medicine device, the mixing chamber is arranged in the main part device, spouts medicine device and arranges in the main part device, the main part device includes casing, top cap, intake pipe, outlet duct, and the casing bottom sets up the discharge port, and casing one side sets up the blast pipe, and the casing is arranged in on the active carbon layer both ends respectively, and on the casing both sides wall was arranged in respectively to the active carbon layer both ends, first filter pad suspended in active carbon layer directly over, flue gas and liquid medicine intensive mixing reaction, reaction rate is fast, and denitration is efficient, can adjust the blowout of medicament according to nitrogen oxide's concentration, practices thrift the medicament, can prevent flue gas backward flow, and denitration is effectual.

However, the following drawbacks still exist in practical use:

1. When the high-efficiency polymer smoke denitration device is used, the mixing of smoke, the catalyst and the polymer denitration agent is realized through the catalyst pipe, the polymer denitration agent pipe, the mixing chamber and the like, and the smoke, the catalyst and the polymer denitration agent are simultaneously mixed for reaction in the mode, so that the efficiency and the effect of catalysis and denitration reaction can be influenced, and meanwhile, the smoke cannot be subjected to repeated cyclic denitration treatment, so that the smoke denitration effect is influenced;

2. The high-efficiency polymer flue gas denitration device realizes the mixed reaction of flue gas and a polymer denitration agent through a mixing wheel, a mixing blade, a motor rotating shaft and the like when in use, and in the stirring and mixing process of the flue gas and the polymer denitration agent, the mode continuously sinks towards the bottom, and after unreacted flue gas and the polymer denitration agent sink, the flue gas reaction efficiency and the effect can be influenced, and the polymer denitration agent is wasted. Therefore, we provide a macromolecule denitration device with internal circulation of the furnace body, which is used for solving the problems in the prior art.

Disclosure of utility model

The utility model aims to provide macromolecule denitration equipment with internal circulation of a furnace body, which can improve the catalytic effect and efficiency of a catalyst by arranging a premixing component and a circulating component, and can simultaneously perform repeated circulation denitration treatment on the completely catalyzed smoke to improve the denitration efficiency and effect, and blow macromolecule denitration agent and smoke to the upper part by utilizing a jet component, so that the reaction efficiency and effect of the macromolecule denitration agent and the smoke are improved, and the waste of the macromolecule denitration agent is reduced.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

The utility model relates to macromolecule denitration equipment with internal circulation of a furnace body, which comprises a shell and a heat preservation cover arranged at the top of the shell, wherein a circulation shell is arranged at the center of the outer walls of two sides of the shell, a premixing component is arranged at the inner top of the shell, a circulation component is arranged at the inner bottom end of the circulation shell, and an air injection component is arranged at one side of the bottom of the shell;

The premixing component comprises a pre-mixing box and a catalyst tube arranged at one side of the top of the pre-mixing box, and a motor is arranged on the end face of the rear end of the pre-mixing box;

The circulating assembly comprises a circulating fan and a gas detector connected to the air outlet end of the circulating fan through a pipe joint, and the other end of the gas detector is respectively connected with the exhaust pipe and the circulating pipe through three taps;

The air injection assembly comprises a heating box and a hot air blower arranged at the air outlet end of the heating box through a pipe joint, a filter screen is arranged at the edge of one side of the inside of the heating box, and a heating wire is hoisted at the other side of the inside of the heating box.

The utility model is further arranged that the top central position of the heat preservation cover is provided with the air inlet pipe, and the other end of the air inlet pipe penetrates through the top central position of the shell and the top central position of the pre-mixing box.

The utility model is further characterized in that a heating resistor is arranged at the center position above the inside of the heat preservation cover, the heating resistor is sleeved outside the outer wall of the air inlet pipe, and a slag discharging pipe is arranged at the center position of the bottom of the shell.

The utility model is further characterized in that a baffle plate is fixedly connected above the inner wall of the shell, a filtering mechanism is arranged at the center and the bottom of the inside of the shell, and a mixing mechanism is arranged below the inside of the shell.

The utility model is further provided with an air return pipe at the center of the outer walls of the two sides of the pre-mixing box, the other end of the air return pipe is connected with the circulating pipe through a pipe joint, and an air outlet pipe is arranged at the center of the bottom of the pre-mixing box.

The utility model is further arranged that the bottom end of the air outlet pipe penetrates through the center position of the upper surface of the partition board, and the output shaft of the motor is connected with the rotating shaft through the coupler.

The utility model is further arranged that the other end of the rotating shaft penetrates through a bearing on the end face of the rear end of the pre-mixing box, and turbulence blades are uniformly arranged on the outer side of the outer wall of the rotating shaft at intervals along the circumferential direction.

The utility model is further arranged that the air outlet end of the air heater is connected with the hot air pipe through the pipe joint, the other end of the hot air pipe is connected with the annular spray pipe through the pipe joint, and the upper surface of the annular spray pipe is uniformly provided with spray heads at intervals along the circumferential direction.

The utility model has the following beneficial effects:

1. according to the utility model, the premixing component and the circulating component are arranged, so that the smoke and the catalyst can be mixed and catalyzed under the actions of the premixing box, the motor and each component, the catalytic effect and the efficiency of the catalyst are improved, meanwhile, the completely catalyzed smoke can be subjected to repeated circulating denitration treatment under the actions of the circulating fan and each component, the denitration efficiency and the effect are improved, and the problems that the smoke, the catalyst and the polymer denitration agent are mixed through the catalyst pipe, the polymer denitration agent pipe, the mixing chamber and the like when the high-efficiency polymer smoke denitration device is used, and the smoke, the catalyst and the polymer denitration agent are mixed and reacted simultaneously in the mode, so that the catalytic and denitration reaction efficiency and the effect are influenced, and the smoke denitration effect cannot be influenced due to repeated circulating denitration treatment of the smoke.

2. According to the utility model, the air jet assembly is arranged, the air heated by the heating wire is pumped into the annular jet pipe by the air heater, and is sprayed into the shell by the plurality of spray heads on the surface of the annular jet pipe, so that the high-molecular denitration agent and the smoke are blown to the upper part, the reaction efficiency and effect of the high-molecular denitration agent and the smoke can be improved, the waste of the high-molecular denitration agent is reduced, the problem that the high-efficiency high-molecular smoke denitration device realizes the mixing reaction of the smoke and the high-molecular denitration agent through the mixing wheel, the mixing blade, the motor rotating shaft and the like when in use, and in the mode, the smoke continuously sinks towards the bottom in the stirring and mixing process of the high-molecular denitration agent, and the unreacted smoke and the high-molecular denitration agent can influence the smoke reaction efficiency and effect after sinking, and the problem of the high-molecular denitration agent can be caused.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a polymer denitration device circulating in a furnace body.

Fig. 2 is a cross-sectional view of a polymer denitration device circulating in a furnace body.

FIG. 3 is an exploded view of the premix assembly.

Fig. 4 is a block diagram of a recycling assembly.

Fig. 5 is a disassembled view of the jet assembly.

In the drawings, the list of components represented by the various numbers is as follows:

1-shell, 101-heat preservation cover, 1011-heating resistor, 102-circulation shell, 103-air inlet pipe, 104-slag discharge pipe, 105-baffle, 106-filtering mechanism, 107-mixing mechanism, 2-premixing component, 201-pre-mixing box, 2011-catalyst pipe, 2012-muffler, 2013-air outlet pipe, 202-motor, 2021-rotating shaft, 203-turbulent flow blade, 3-circulation component, 301-circulation fan, 302-gas detector, 303-exhaust pipe, 304-circulation pipe, 4-air injection component, 401-heating box, 402-filter screen, 403-heating wire, 404-hot air fan, 4041-hot air pipe, 405-annular spray pipe, 4051-spray head.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Detailed description of the preferred embodiments

Referring to fig. 1 to 4, the utility model relates to a polymer denitration device with internal circulation of a furnace body, which comprises a shell 1 and a heat preservation cover 101 arranged at the top of the shell, wherein a circulation shell 102 is arranged at the center of the outer walls of two sides of the shell 1, a premixing component 2 is arranged at the top of the interior of the shell 1, and a circulation component 3 is arranged at the bottom of the interior of the circulation shell 102; the premixing assembly 2 comprises a pre-mixing tank 201 and a catalyst pipe 2011 arranged at one side of the top of the pre-mixing tank, and a motor 202 is arranged on the end face of the rear end of the pre-mixing tank 201; the circulation assembly 3 includes a circulation fan 301 and a gas detector 302 connected to an air outlet end thereof through a pipe joint, and the other end of the gas detector 302 is connected to an exhaust pipe 303 and a circulation pipe 304 through three taps, respectively.

Specifically, the top central point of heat preservation cover 101 is provided with intake pipe 103, the other end of intake pipe 103 runs through the top central point of shell 1 and the top central point of pre-mixing box 201, the inside top central point of heat preservation cover 101 is provided with heating resistor 1011, and heating resistor 1011 cover is established in the outer wall outside of intake pipe 103, the bottom central point of shell 1 is provided with scum pipe 104, the inner wall top fixedly connected with baffle 105 of shell 1, the inside central point and the bottom of shell 1 are provided with filtering mechanism 106, the inside below of shell 1 is provided with mixing mechanism 107, the both sides outer wall central point of pre-mixing box 201 is provided with muffler 2012, the other end of muffler 2012 is connected with circulating pipe 304 through the coupling, the bottom central point of pre-mixing box 201 is provided with outlet duct 2013, the bottom of outlet duct 2013 runs through the upper surface central point of baffle 105, the output shaft of motor 202 is connected with pivot 2021 through the shaft coupling, the other end of pivot 2021 runs through the bearing on the end face of pre-mixing box 201, the outer wall outside of pivot 2021 evenly is provided with vortex leaf 203 along the circumferencial direction interval.

Further, the pre-mixing box 201 can mix the flue gas and the catalyst to react, so that the reaction efficiency and effect of the catalyst are improved, the gas detector 302 can detect the concentration of nitrogen oxides in the treated flue gas, and the heating resistor 1011, the filtering mechanism 106, the mixing mechanism 107 and the like are all in the prior art, so that the details are not excessively repeated here, the pipe joint plays a role in pipe connection, the motor 202 operates to drive the rotating shaft 2021 and the turbulence blades 203 on the outer wall thereof to rotate, the mixing efficiency of the flue gas and the catalyst is achieved, and the reacted flue gas can be pumped into the pre-mixing box 201 again under the action of the circulating fan 301 and the circulating pipe 304.

The operation process of the embodiment is as follows: the flue gas is introduced into the premixing box 201 through the air inlet pipe 103, and the flue gas in the air inlet pipe 103 is heated through the heating resistor 1011 in the introducing process, then the required catalyst is fused into the premixing box 201 through the catalyst pipe 2011, and after the catalyst is introduced, the motor 202 is started, the output shaft of the motor 202 rotates through the coupler to drive the rotating shaft 2021 to rotate, the turbulence blades 203 on the outer wall of the rotating shaft 2021 rotate, the flue gas in the premixing box 201 and the catalyst can be stirred and mixed, the mixed gas is discharged to the lower part of the partition 105 through the air outlet pipe 2013 and filtered by the filtering mechanism 106 above, the catalyzed flue gas and the macromolecule denitration agent are mixed and reacted through the filtering mechanism 106 below, the circulating fan 301 is started, the gas after the internal reaction is pumped out through the circulating fan 301, and the concentration of nitrogen oxides in the gas after the single reaction is detected by the gas detector 302, and when the nitrogen oxides are still contained in the gas after the single reaction, at this time, the gas after the single reaction can be mixed again through the air outlet pipe 2012, the pre-return pipe 201 and the catalyst can be completely mixed, the catalytic effect of the flue gas can be improved, and the complete denitration effect can be achieved.

Second embodiment

Referring to fig. 2 and 5, the first embodiment is different from the first embodiment in that: the utility model provides a jet module 4, jet module 4 includes heating cabinet 401 and installs the air heater 404 at its air-out end through the coupling, and filter screen 402 is installed to inside one side edge of heating cabinet 401, and the inside opposite side hoist and mount of heating cabinet 401 have heater strip 403, have solved current in flue gas and polymer denitration agent stirring mixing process, can continuously sink to the bottom, and unreacted flue gas and polymer denitration agent subside the back, can influence flue gas reaction efficiency and effect to can cause the extravagant problem of polymer denitration agent.

Specifically, the air outlet end of the air heater 404 is connected with the hot air pipe 4041 through a pipe joint, the other end of the hot air pipe 4041 is connected with the annular spray pipe 405 through a pipe joint, and the spray heads 4051 are uniformly arranged on the upper surface of the annular spray pipe 405 at intervals along the circumferential direction.

Further, the filter screen 402 can play a role in filtering air entering the heating box 401, the heating wire 403 can be used for heating the air in the heating box 401, then the hot air is pumped out by the air heater 404 and then enters the annular spray pipe 405, and the air is sprayed out by the plurality of spray heads 4051 on the surface of the air heater, so that the smoke and the macromolecule denitration agent in the shell 1 are driven to roll, the mixing efficiency and the effect are improved, and the waste is reduced.

The operation process of the embodiment is as follows: in the process of mixing and reacting the catalyzed flue gas and the polymer denitration agent, the heating wire 403 is started to heat the air in the heating box 401, then the hot air in the heating box 401 is pumped out by the operation of the hot air blower 404 through the pipe joint, then hot air is introduced into the annular spray pipe 405 through the hot air pipe 4041, finally the hot air is sprayed out through the plurality of spray heads 4051 on the annular spray pipe 405, at the moment, the hot air can be sprayed out upwards from the inner bottom of the shell 1, and the polymer denitration agent and the flue gas can be blown upwards under the action of the hot air, so that the reaction efficiency and effect of the polymer denitration agent and the flue gas can be improved, the waste of the polymer denitration agent can be reduced, the gas meeting the standard after the reaction is discharged from the exhaust pipe 303, and the reacted waste residue can be discharged through the slag discharging pipe 104.

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

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (8)

1. The utility model provides a polymer denitration equipment of furnace body internal circulation, includes shell (1) and installs at heat preservation cover (101) at its top, circulation shell (102), its characterized in that are installed to both sides outer wall central point of shell (1): the top of the inside of the shell (1) is provided with a premixing component (2), the bottom end of the inside of the circulating shell (102) is provided with a circulating component (3), and one side of the bottom of the shell (1) is provided with an air injection component (4);

The premixing assembly (2) comprises a pre-mixing box (201) and a catalyst pipe (2011) arranged on one side of the top of the pre-mixing box, and a motor (202) is arranged on the end face of the rear end of the premixing box (201);

the circulating assembly (3) comprises a circulating fan (301) and a gas detector (302) connected to the air outlet end of the circulating fan through a pipe joint, and the other end of the gas detector (302) is respectively connected with an exhaust pipe (303) and a circulating pipe (304) through three taps;

The jet assembly (4) comprises a heating box (401) and a hot air blower (404) arranged at the air outlet end of the heating box through a pipe joint, a filter screen (402) is arranged at the edge of one side of the interior of the heating box (401), and a heating wire (403) is hung on the other side of the interior of the heating box (401).

2. The macromolecule denitration device of claim 1, wherein an air inlet pipe (103) is arranged at the top center position of the heat insulation cover (101), and the other end of the air inlet pipe (103) penetrates through the top center position of the shell (1) and the top center position of the premixing box (201).

3. The macromolecule denitration device with the internal circulation of the furnace body according to claim 2, wherein a heating resistor (1011) is arranged at the central position above the inside of the heat preservation cover (101), the heating resistor (1011) is sleeved outside the outer wall of the air inlet pipe (103), and a slag discharging pipe (104) is arranged at the central position of the bottom of the shell (1).

4. A polymeric denitration device with internal circulation of a furnace body according to claim 3, wherein a partition board (105) is fixedly connected above the inner wall of the housing (1), a filtering mechanism (106) is arranged at the central position and the bottom of the interior of the housing (1), and a mixing mechanism (107) is arranged below the interior of the housing (1).

5. The macromolecule denitration device with the internal circulation of the furnace body according to claim 4, wherein an air return pipe (2012) is arranged at the center position of the outer walls of the two sides of the premixing box (201), the other end of the air return pipe (2012) is connected with the circulating pipe (304) through a pipe joint, and an air outlet pipe (2013) is arranged at the center position of the bottom of the premixing box (201).

6. The macromolecule denitration device with internal circulation of a furnace body according to claim 5, wherein the bottom end of the air outlet pipe (2013) penetrates through the center position of the upper surface of the partition plate (105), and an output shaft of the motor (202) is connected with the rotating shaft (2021) through a coupling.

7. The polymer denitration device of claim 6, wherein the other end of the rotating shaft (2021) penetrates through a bearing on the end face of the rear end of the premixing box (201), and turbulence blades (203) are uniformly arranged on the outer side of the outer wall of the rotating shaft (2021) at intervals along the circumferential direction.

8. The macromolecule denitration device for furnace body internal circulation according to claim 1, wherein the air outlet end of the air heater (404) is connected with the hot air pipe (4041) through a pipe joint, the other end of the hot air pipe (4041) is connected with the annular spray pipe (405) through a pipe joint, and spray heads (4051) are uniformly arranged on the upper surface of the annular spray pipe (405) at intervals along the circumferential direction.