CN220609778U

CN220609778U - White smoke eliminator

Info

Publication number: CN220609778U
Application number: CN202322043710.XU
Authority: CN
Inventors: 胡昆
Original assignee: Xiaoye Dongguan Machinery Technology Co ltd
Current assignee: Xiaoye Dongguan Machinery Technology Co ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-03-19
Anticipated expiration: 2033-07-31

Abstract

The utility model belongs to the technical field of waste gas recovery, and particularly relates to a white smoke eliminating device which comprises a shell, wherein an air inlet, an air outlet, a heat exchange assembly, an air cooling exchange assembly, a spraying assembly and a effusion assembly are arranged on the shell; the heat exchange component is arranged at one side of the air inlet; the air cooling exchange assembly is at least provided with one group, and is arranged at one side of the heat exchange assembly; the spraying component is arranged at one side of the air-cooled exchange component; the effusion subassembly is located the bottom of heat exchange subassembly, forced air cooling exchange subassembly, spray assembly. The exhaust gas carries out waste heat exchange through the heat exchange assembly, the air cooling assembly carries out heat exchange on the exhaust gas and external fresh air, then the spraying assembly sprays the exhaust gas, the exhaust gas is further treated, the treated exhaust gas flows through the effusion assembly and enters the heat exchange assembly again, the heat exchange assembly carries out heat exchange on the treated exhaust gas and untreated exhaust gas again, and the treated exhaust gas is dried, so that the whitening of the exhaust gas is realized.

Description

White smoke eliminator

Technical Field

The utility model belongs to the technical field of waste gas recovery, and particularly relates to a white smoke eliminating device.

Background

Along with the development of the electric automobile industry of the lithium battery, the lithium battery can generate waste gas containing N-methyl pyrrolidone in the manufacturing production process, and if the waste gas is directly discharged without treatment, the phenomenon of white smoke of a chimney can occur, which is not allowed, and the waste gas is usually whitened to reach the discharge standard and then is discharged.

For example, publication No.: chinese patent document CN110251983a, subject name is a gas-gas heat exchange air mixing white eliminator mentioning "comprising: the upper seal head, the shell, the lower seal head and the flue gas condensing plate group; the top of the shell is connected with the upper end socket, and the bottom of the shell is connected with the lower end socket; the upper end socket is provided with a tail gas inlet, and the lower end socket is provided with a tail gas outlet; the flue gas condensing plate group is arranged in the shell, and a plate-to-plate channel for the tail gas to pass through is arranged on the flue gas condensing plate group; the shell is provided with an air inlet and an air outlet; air enters the shell from the air inlet, exchanges heat with the flue gas condensing plate group and is discharged from the air outlet. This white ware of gas-gas heat transfer air mixing removes whites through the mode of forced air cooling to tail gas, and running cost is low, and investment cost is low ", and this structure is cooled down the flue gas through forced air cooling, reduces running cost, however, this structure carries out heat exchange through forced air cooling, and its cooling effect is limited, and cooling efficiency is low, has certain humidity in the flue gas simultaneously, and this structure can't dry humidity.

Disclosure of Invention

The utility model aims to provide a white smoke eliminating device, and aims to solve the technical problems that in the prior art, the structure performs heat exchange through air cooling, the cooling effect is limited, the cooling efficiency is low, meanwhile, certain humidity exists in smoke, and the structure cannot dry the humidity.

In order to achieve the above purpose, the embodiment of the utility model provides a white smoke eliminating device, which comprises a shell, wherein an air inlet for exhausting tail gas, an air outlet for exhausting tail gas, a heat exchange component, an air cooling exchange component, a spray component and a effusion component are arranged on the shell; the heat exchange component is arranged at one side of the air inlet and is used for heating the purified tail gas and reducing the humidity of the tail gas; the air cooling exchange assembly is arranged at one side of the heat exchange assembly and is used for reducing the temperature of tail gas so as to separate out condensed water and NMP; the spraying component is arranged on one side of the air cooling exchange component and is used for further separating out condensed water and NMP in the tail gas; the hydrops subassembly is located heat exchange subassembly, forced air cooling exchange subassembly, spray the bottom of subassembly for collect comdenstion water and NMP that separate out.

Preferably, the air outlet is arranged at the top of the heat exchange assembly, and the air inlet and the air outlet are arranged at 90 degrees; the exhaust pipe for discharging the purified tail gas is arranged on the air outlet, and a thermometer and a hygrometer are arranged on the exhaust pipe.

Preferably, the shell comprises a heat exchange cavity, an air cooling exchange cavity, a spray cavity and a effusion cavity; the heat exchange cavity, the air cooling exchange cavity and the spray cavity are sequentially arranged in the shell along the tail gas purifying direction; the effusion cavity is arranged at the bottoms of the heat exchange cavity, the air cooling exchange cavity and the spray cavity.

Preferably, the heat exchange component is arranged in the heat exchange cavity, the air cooling exchange component is arranged in the air cooling exchange cavity, the spraying component is arranged in the spraying cavity, and the effusion component is arranged in the effusion cavity; the heat exchange cavity, the air cooling exchange cavity, the spray cavity and the effusion cavity are mutually communicated.

Preferably, the heat exchange component is a heat exchanger, the air cooling exchange component is a surface cooler, and the air cooling exchange component is provided with three groups; the three groups of air-cooled exchange assemblies are arranged in the air-cooled exchange cavity and divide the air-cooled exchange cavity into a first air-cooled cavity, a second air-cooled cavity and a third air-cooled cavity in sequence.

Preferably, one side of the first air cooling cavity, one side of the second air cooling cavity and one side of the third air cooling cavity are respectively provided with an air inlet for entering air, and the other side of the first air cooling cavity and the other side of the third air cooling cavity are respectively provided with an air outlet for discharging air; the air exhaust port is provided with an exhaust sleeve, the exhaust sleeve is provided with a large-diameter part and a small-diameter part, and the large-diameter part is connected with the small-diameter part in a tail-to-tail mode.

Preferably, a filter is arranged on the air inlet, and a filter screen is connected to the filter in a sliding way; and a quick-change component is arranged between the filter screen and the filter, and is used for quick-change of the filter screen.

Preferably, the quick-change component comprises a mounting seat, a limiting rod, a clamping block and a spring; the limiting rod is arranged on one side of the mounting seat, one side of the limiting rod penetrates through the mounting seat and extends into the mounting seat to be connected with the clamping block, and the other side of the limiting rod is provided with a limiting part for preventing falling off; the top of the clamping block is in threaded connection with a pushing block, a protruding part is arranged on one side, close to the filter screen, of the clamping block, and a clamping groove is formed between the protruding part and the filter screen; the spring is sleeved on the limiting rod and is positioned between the clamping block and the limiting part.

Preferably, the spray assembly comprises a water inlet pipe for conveying spray liquid, a spray connecting seat and a spray head, wherein the spray head is provided with at least two groups; the water inlet pipe is connected with the spray connecting seat; the spray nozzles are equidistantly distributed on the spray connecting seat and are used for spraying spray liquid, so that condensed water and NMP in tail gas are further separated out.

The above technical solutions in the white smoke eliminating device provided by the embodiments of the present utility model have at least one of the following technical effects:

the exhaust gas enters the heat exchange assembly through the air inlet to carry out waste heat exchange, the temperature of the exhaust gas is reduced, the exhaust gas and external fresh air are subjected to heat exchange through the air cooling assembly, so that condensate water and NMP are separated out of the exhaust gas, the relative humidity in the exhaust gas is reduced, then the exhaust gas is sprayed with spray liquid through the spray assembly, condensate water and NMP in the exhaust gas are further separated out, the treated exhaust gas flows through the hydrops assembly and enters the heat exchange assembly again, the heat exchange assembly carries out heat exchange on the treated exhaust gas and untreated exhaust gas again, and the treated exhaust gas is dried, so that the whitening of the exhaust gas is realized. Through carrying out cooling many times to tail gas, improve the cooling efficiency of tail gas, also reduce the humidity of tail gas simultaneously, prevent that waste gas from forming white cigarette after discharging.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being 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 white smoke eliminating device according to an embodiment of the present utility model.

Fig. 2 is a front view of a white smoke eliminating device according to an embodiment of the present utility model.

Fig. 3 is an internal schematic view of a white smoke eliminating device according to an embodiment of the present utility model.

Fig. 4 is a top view of a white smoke eliminating device according to an embodiment of the present utility model.

Fig. 5 is a schematic structural diagram of a filter screen according to an embodiment of the present utility model.

Fig. 6 is a schematic structural diagram of a quick-change component according to an embodiment of the present utility model.

Wherein, each reference sign in the figure:

100-housing 110-air inlet 120-air outlet

121-discharge pipe 122-thermometer 123-hygrometer

130-heat exchange chamber 140-air cooling exchange chamber 141-first air cooling chamber

142-second air cooling chamber 143-third air cooling chamber 144-air inlet openings

145-air outlet 146-air-vent sleeve 1461-large diameter portion

1462-small diameter portion 147-filter 148-screen

1481-clamping groove 149-quick change component 1491-mount

1492-stop 1493-catch 1494-spring

1495-raised portion 1496-push block 1497-limit portion

150-spray chamber 160-effusion chamber 200-heat exchange assembly

300-air-cooled exchange assembly 400-spray assembly 410-water inlet pipe

420-spray connection base 430-spray head 500-effusion assembly.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to fig. 1 to 6 are exemplary and intended to illustrate embodiments of the present utility model and should not be construed as limiting the utility model.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In one embodiment of the present utility model, as shown in fig. 1 to 6, there is provided a white smoke eliminating device, comprising a housing 100, wherein the housing 100 is provided with an air inlet 110 for discharging tail gas, an air outlet 120 for discharging tail gas, a heat exchange assembly 200, an air cooling exchange assembly 300, a spray assembly 400 and a effusion assembly 500, wherein the effusion assembly 500 is a effusion tray for storing condensed water and NMP, a drain pipe connected with a water suction pump is connected in the effusion tray, and solution in the effusion tray is discharged to the outside through the drain pipe for recovery; the heat exchange assembly 200 is arranged at one side of the air inlet 110 and is used for heating the purified tail gas and reducing the humidity of the tail gas; the air cooling exchange assembly 300 is at least provided with one group, and the air cooling exchange assembly 300 is arranged on one side of the heat exchange assembly 200 and is used for reducing the temperature of tail gas so as to separate out condensed water and NMP; the spray assembly 400 is arranged at one side of the air-cooled exchange assembly 300 and is used for further separating out condensed water and NMP in the tail gas; the effusion assembly 500 is arranged at the bottoms of the heat exchange assembly 200, the air cooling exchange assembly 300 and the spray assembly 400 and is used for collecting precipitated condensed water and NMP;

specifically, the tail gas enters the heat exchange assembly 200 through the air inlet 110 to exchange waste heat, the temperature of the tail gas is reduced, the tail gas and external fresh air are subjected to heat exchange through the air cooling assembly, so that condensed water and NMP are separated out of the tail gas, the relative humidity in the tail gas is reduced, then spray assembly 400 is used for spraying spray liquid on the tail gas, the condensed water and NMP in the tail gas are further separated out, the treated tail gas flows through the effusion assembly 500 and enters the heat exchange assembly 200 again, the heat exchange assembly 200 performs heat exchange on the treated tail gas and untreated tail gas again, and the treated tail gas is dried, so that the whitening of the tail gas is realized. Through carrying out cooling many times to tail gas, improve the cooling efficiency of tail gas, also reduce the humidity of tail gas simultaneously, prevent that waste gas from forming white cigarette after discharging.

Further, in the present embodiment, the air outlet 120 is disposed at the top of the heat exchange assembly 200, and the air inlet 110 and the air outlet 120 are disposed at 90 ° to enable the treated tail gas and the untreated tail gas to contact each other more fully, so that the heat exchange effect between the two is better; the gas outlet 120 is provided with a discharge pipe 121 for discharging purified tail gas, the discharge pipe 121 is provided with a thermometer 122 and a hygrometer 123, and staff can monitor the temperature and the humidity of the treated tail gas through the thermometer 122 and the hygrometer 123 and timely adjust the temperature and the humidity according to the observed temperature and the humidity so as to ensure the purification effect of the tail gas.

Still further, the housing 100 includes therein a heat exchange chamber 130, an air cooling exchange chamber 140, a spray chamber 150, and a effusion chamber 160; the heat exchange cavity 130, the air cooling exchange cavity 140 and the spray cavity 150 are sequentially arranged in the shell 100 along the tail gas purifying direction; the effusion chamber 160 is arranged at the bottoms of the heat exchange chamber 130, the air cooling exchange chamber 140 and the spray chamber 150, the heat exchange assembly 200 is arranged in the heat exchange chamber 130, the air cooling exchange assembly 300 is arranged in the air cooling exchange chamber 140, the spray assembly 400 is arranged in the spray chamber 150, and the effusion assembly 500 is arranged in the effusion chamber 160; the heat exchange cavity 130, the air cooling exchange cavity 140, the spray cavity 150 and the effusion cavity 160 are communicated with each other;

the tail gas enters the heat exchange cavity 130 from the air inlet 110 and is subjected to waste heat exchange through the heat exchanger, then flows through the air cooling exchange cavity 140, is subjected to temperature reduction through the air cooling exchange assemblies 300, then flows through the spray cavity 150, is subjected to further purification treatment through the spray assembly 400, condensed water and NMP separated out in treatment flow into the effusion cavity 160 and are collected through the effusion assembly 500, meanwhile, the treated tail gas flows through the effusion cavity 160 and enters the heat exchange assembly 200 from the bottom of the heat exchange cavity 130, is subjected to heat exchange with untreated tail gas, reduces the humidity in the treated tail gas, and finally is discharged from the air outlet 120.

Further, in the present embodiment, the heat exchange assembly 200 is a heat exchanger, which may be a cross-flow heat exchanger or a counter-flow heat exchanger, the air-cooled exchange assembly 300 is a surface cooler, and the air-cooled exchange assembly 300 is provided with three groups; the three groups of air-cooled exchange assemblies 300 are arranged in the air-cooled exchange cavity 140, and divide the air-cooled exchange cavity 140 into a first air-cooled cavity 141, a second air-cooled cavity 142 and a third air-cooled cavity 143 in sequence, and tail gas is discharged into the input end of the air-cooled exchange assembly 300 from the horizontally arranged inlet and outlet of the heat exchange assembly 200 and then is discharged into the spray cavity 150 from the output end of the air-cooled exchange assembly 300.

Further, one side of each of the first air cooling chamber 141, the second air cooling chamber 142 and the third air cooling chamber 143 is provided with an air inlet 144 for entering air, and the other side is provided with an air outlet 145 for discharging air; the air exhaust port 145 is provided with the air exhaust sleeve 146, the air exhaust sleeve 146 is provided with a large-diameter portion 1461 and a small-diameter portion 1462, the large-diameter portion 1461 is connected with the small-diameter portion 1462 in a tail-end mode, the large-diameter portion 1461 is transited to the small-diameter portion 1462, negative pressure is formed by the arrangement mode, the flow rate of air is effectively improved, more external air can enter the first air cooling cavity 141, the second air cooling cavity 142 or the third air cooling cavity 143, and the cooling effect of tail gas is improved.

Further, in the present embodiment, the air inlet 144 is provided with a filter 147, the filter 147 is slidably connected with a filter screen 148, and the filter screen 148 and the filter 147 are installed through a chute, so that the filter screen 148 can be replaced and installed conveniently; a quick-change component 149 is arranged between the filter screen 148 and the filter 147, and the quick-change component 149 is used for quickly changing the filter screen 148, and impurities in the external wind are removed through the filter screen 148 and the filter 147, so that the tail gas purifying effect is better.

Still further, in the present embodiment, the quick-change member 149 includes a mounting base 1491, a limit lever 1492, a snap-in block 1493 and a spring 1494; the limit rod 1492 is arranged on one side of the mounting seat 1491, one side of the limit rod 1492 penetrates through the mounting seat 1491 and extends into the mounting seat 1491 to be connected with the clamping block 1493, and the other side of the limit rod 1492 is provided with a limit part for preventing falling off; the top of the clamping block 1493 is connected with a push block in a threaded manner, a protruding part 1495 is arranged on one side of the clamping block 1493, which is close to the filter screen 148, the protruding part 1495 can be a protruding block, and a clamping groove 1481 is arranged between the protruding part 1495 and the filter screen 148; the spring 1494 is sleeved on the limit rod 1492 and is positioned between the clamping block 1493 and the limit part; when the filter screen 148 is replaced, the push block is pushed outwards, and drives the clamping block 1493 to be far away from the filter screen 148, so that the protruding portion 1495 is separated from the clamping groove 1481, and meanwhile, the filter screen 148 is taken out and a new filter screen 148 is put in, so that quick replacement of the filter screen is completed.

Still further, the spray assembly 400 includes a water inlet pipe 410 for delivering spray liquid, a spray connection seat 420, and a spray head 430, and the spray head 430 is provided with at least two groups; the water inlet pipe 410 is connected with the spray connecting seat 420; the spray connection seat 420 is arranged on the spray connection seat 420 in an equidistant distribution manner to spray out spray liquid, so that condensed water and NMP in the tail gas are further separated out, when the cooled tail gas passes through the spray cavity 150, the spray liquid in the water inlet pipe 410 is sprayed out by the spray head 430, the spray liquid is in contact with the tail gas, the condensed water and NMP in the tail gas are further separated out, and the purification effect of the tail gas is improved.

Further, the tail gas enters the heat exchange assembly 200 through the air inlet 110 to exchange waste heat, the temperature of the tail gas is reduced, the tail gas and external fresh air are subjected to heat exchange through the air cooling assembly, so that condensed water and NMP are separated out of the tail gas, the relative humidity in the tail gas is reduced, then spray assembly 400 is used for spraying spray liquid on the tail gas, the condensed water and NMP in the tail gas are further separated out, the treated tail gas flows through the effusion assembly 500 to enter the heat exchange assembly 200 again, the heat exchange assembly 200 exchanges heat between the treated tail gas and untreated tail gas again, and the treated tail gas is dried, so that the whitening of the tail gas is realized. Through carrying out cooling many times to tail gas, improve the cooling efficiency of tail gas, also reduce the humidity of tail gas simultaneously, prevent that waste gas from forming white cigarette after discharging.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The white smoke eliminating device is characterized by comprising a shell, wherein an air inlet for exhausting tail gas, an air outlet for exhausting tail gas, a heat exchange assembly, an air cooling exchange assembly, a spray assembly and a effusion assembly are arranged on the shell; the heat exchange component is arranged at one side of the air inlet and is used for heating the purified tail gas and reducing the humidity of the tail gas; the air cooling exchange assembly is arranged at one side of the heat exchange assembly and is used for reducing the temperature of tail gas so as to separate out condensed water and NMP; the spraying component is arranged on one side of the air cooling exchange component and is used for further separating out condensed water and NMP in the tail gas; the hydrops subassembly is located heat exchange subassembly, forced air cooling exchange subassembly, spray the bottom of subassembly for collect comdenstion water and NMP that separate out.

2. The white smoke abatement device of claim 1, wherein: the air outlet is arranged at the top of the heat exchange component, and the air inlet and the air outlet are arranged at 90 degrees; the exhaust pipe for discharging the purified tail gas is arranged on the air outlet, and a thermometer and a hygrometer are arranged on the exhaust pipe.

3. The white smoke abatement device of claim 2, wherein: the shell comprises a heat exchange cavity, an air cooling exchange cavity, a spray cavity and a effusion cavity; the heat exchange cavity, the air cooling exchange cavity and the spray cavity are sequentially arranged in the shell along the tail gas purifying direction; the effusion cavity is arranged at the bottoms of the heat exchange cavity, the air cooling exchange cavity and the spray cavity.

4. A white smoke abatement device as claimed in claim 3, wherein: the heat exchange assembly is arranged in the heat exchange cavity, the air cooling exchange assembly is arranged in the air cooling exchange cavity, the spraying assembly is arranged in the spraying cavity, and the effusion assembly is arranged in the effusion cavity; the heat exchange cavity, the air cooling exchange cavity, the spray cavity and the effusion cavity are mutually communicated.

5. A white smoke abatement device as claimed in claim 3, wherein: the heat exchange component is a heat exchanger, the air cooling exchange component is a surface cooler, and the air cooling exchange component is provided with three groups; the three groups of air-cooled exchange assemblies are arranged in the air-cooled exchange cavity and divide the air-cooled exchange cavity into a first air-cooled cavity, a second air-cooled cavity and a third air-cooled cavity in sequence.

6. The white smoke abatement device of claim 5, wherein: one side of the first air cooling cavity, one side of the second air cooling cavity and one side of the third air cooling cavity are respectively provided with an air inlet for entering air, and the other side of the first air cooling cavity and the other side of the third air cooling cavity are respectively provided with an air outlet for discharging air; the air exhaust port is provided with an exhaust sleeve, the exhaust sleeve is provided with a large-diameter part and a small-diameter part, and the large-diameter part is connected with the small-diameter part in a tail-to-tail mode.

7. The white smoke abatement device of claim 6, wherein: the air inlet is provided with a filter, and the filter is connected with a filter screen in a sliding way; and a quick-change component is arranged between the filter screen and the filter, and is used for quick-change of the filter screen.

8. The white smoke abatement device of claim 7, wherein: the quick-change component comprises a mounting seat, a limiting rod, a clamping block and a spring; the limiting rod is arranged on one side of the mounting seat, one side of the limiting rod penetrates through the mounting seat and extends into the mounting seat to be connected with the clamping block, and the other side of the limiting rod is provided with a limiting part for preventing falling off; the top of the clamping block is in threaded connection with a pushing block, a protruding part is arranged on one side, close to the filter screen, of the clamping block, and a clamping groove is formed between the protruding part and the filter screen; the spring is sleeved on the limiting rod and is positioned between the clamping block and the limiting part.

9. The white smoke abatement device of claim 1, wherein: the spray assembly comprises a water inlet pipe for conveying spray liquid, a spray connecting seat and a spray head, and the spray head is at least provided with two groups; the water inlet pipe is connected with the spray connecting seat; the spray nozzles are equidistantly distributed on the spray connecting seat and are used for spraying spray liquid, so that condensed water and NMP in tail gas are further separated out.