Green printing device with waste gas purifying and filtering functions

Abstract

The utility model discloses a green printing device with waste gas purifying and filtering functions, which comprises a condensate box, an oxidation assembly is arranged at the side end of the condensate box and used for oxidizing waste gas, and an air exhaust assembly is arranged at the side end of the oxidation assembly and used for exhausting waste gas in the oxidation assembly and filtering the waste gas in the condensate box. A conveying box is arranged at the end, away from the oxidation assembly, of the air exhaust assembly, a purification assembly is arranged at the end, away from the air exhaust assembly, of the conveying box, and a chimney is arranged at the end, away from the conveying box, of the purification assembly and used for exhausting waste gas. According to the device, the liquid condensing box is arranged, waste gas generated by printing is introduced from the gas inlet pipe, VOCs are contained in the waste gas, the waste gas is cooled to be below the dew point of the VOCs through the cooling component, at the moment, the VOCs are condensed into liquid and then separated from the waste gas, the liquid VOCs flow out from the water outlet pipe, the liquid VOCs are recycled through the recycling box, and the recycling effect is good. And the effect of recycling the recycling substances in the waste gas is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of printing, and more specifically, to a green printing device with waste gas purification and filtering functions. Background Art

[0002] The printing industry is very important to our daily life. Most of the daily necessities, such as books, newspapers, magazines, etc., need to be printed. However, the printing industry is also one of the industries that cause air pollution and is also one of the key industries for rectification in air pollution prevention and control.

[0003] After searching, the existing patent (Announcement No.: CN217220719U) discloses a green printing device with exhaust gas purification and filtration functions, including: a connection box, a transmission box and an installation box; a ceramic heat exchange box, the ceramic heat exchange box is installed on one side of the connection box, and a combustion heating chamber is installed on the other side of the ceramic heat exchange box; an air guide groove, the air guide groove is opened inside the transmission box; a water pump, the water pump is installed on the top of the installation box. The green printing device with exhaust gas purification and filtration functions provided by the utility model oxidizes the exhaust gas into inorganic substances such as CO2 and H2O through the inside of the combustion heating chamber under the action of a catalyst, and then further cools and purifies the exhaust gas through the mist water flow sprayed by the nozzle, so that the exhaust gas generated by printing is more completely purified, and the harm to the outside world caused by the exhaust gas being discharged when the purification is not complete is effectively avoided;

[0004] However, there are still some shortcomings in the above scheme. The waste gas generated by printing contains a large amount of chemical substances. Direct discharge of the waste gas will harm the external environment. At the same time, there are some recyclable substances in the waste gas. Discharging them will not only pollute the environment but also waste materials.

[0005] In view of this, the utility model proposes a green printing device with exhaust gas purification and filtering functions. Utility Model Content

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides a green printing device with waste gas purification and filtering functions to solve the problem that the waste gas generated by printing contains a large amount of chemical substances, and directly discharging the waste gas is harmful to the external environment. At the same time, there are also some recyclable substances in the waste gas, and discharging them not only pollutes the environment but also wastes materials.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a green printing device with waste gas purification and filtering functions, including a condensate tank, an oxidation component is arranged at the side end of the condensate tank for oxidizing the waste, an exhaust component is arranged at the side end of the oxidation component for extracting the waste gas inside the oxidation component, a transmission box is arranged at the end of the exhaust component away from the oxidation component for cooling treatment, a purification component is arranged at the end of the transmission box away from the exhaust component for purification treatment, and a chimney is arranged at the end of the purification component away from the transmission box for discharging waste gas.

[0008] Preferably, a cooling component is fixedly installed at the bottom of the condensate tank, an air inlet pipe is fixedly connected to the side end of the condensate tank, a water outlet pipe is fixedly connected to the side end of the condensate tank, an end of the water outlet pipe away from the condensate tank is fixedly connected to a recovery tank, and the rear end of the condensate tank is fixedly connected to the air outlet pipe.

[0009] Preferably, the cooling components include an outer box, a cooling box, a compressor, a liquid storage tank, a liquid storage dryer, an expansion valve, a circulating pump, and a heat absorption plate. The outer box is fixedly installed at the bottom of the condensate tank, the cooling box is fixedly installed inside the outer box, the compressor is fixedly installed inside the outer box, the liquid storage tank is fixedly installed inside the outer box, the liquid storage dryer is fixedly installed inside the outer box, and the cooling box, the compressor, the liquid storage tank, the liquid storage dryer, and the expansion valve are connected by a water pipe.

[0010] Preferably, the circulation pump is fixedly installed inside the outer box, the heat absorbing plate is fixedly installed inside the outer box, and the cooling box, the circulation pump and the heat absorbing plate are connected by a water pipe.

[0011] Preferably, the oxidation assembly includes a ceramic heat exchange box, a post-filter conduction box, a combustion heating chamber, and a connecting box. The ceramic heat exchange box is fixedly connected to the end of the outlet pipe away from the condensate tank, the combustion heating chamber is fixedly installed on the side end of the ceramic heat exchange box, the connecting box is fixedly installed on the end of the ceramic heat exchange box away from the combustion heating chamber, and the post-filter conduction box is fixedly installed between the combustion heating chamber and the connecting box, and below the ceramic heat exchange box.

[0012] Preferably, the air extraction assembly includes a fan and a first connecting pipe, the fan is fixedly connected to a side end of the connecting box, and the first connecting pipe is fixedly connected to an end of the fan away from the connecting box.

[0013] Preferably, the purification assembly comprises a purification box and a second connecting pipe. The purification box is fixedly mounted on one end of the transmission box away from the first connecting pipe, and the second connecting pipe is fixedly connected to one end of the purification box away from the transmission box.

[0014] Preferably, activated carbon is placed inside the purification box to purify the exhaust gas.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model is provided with a condensate tank. By utilizing the above structure, the waste gas generated by printing is introduced from the air inlet pipe. The waste gas contains VOCs. The temperature is lowered to below the dew point of the VOCs by the cooling component. At this time, the VOCs are condensed into liquid and separated from the waste gas. The liquid VOCs flow out from the water outlet pipe. The liquid VOCs are recycled through the recovery tank, thereby achieving the effect of recycling the recyclable substances in the waste gas.

[0017] The utility model is provided with an oxidation component, an exhaust component, a transmission box, and a purification component. By utilizing the above structure, the remaining exhaust gas enters the ceramic heat exchange box from the exhaust pipe, and is oxidized between the ceramic heat exchange box, the post-filter conduction box, the combustion heating chamber, and the connecting box. Then the fan extracts the exhaust gas inside the connecting box and introduces it into the transmission box. The transmission box performs a cooling and purification treatment on the exhaust gas. Then the exhaust gas enters the purification box and is finally purified by activated carbon. Then the purified exhaust gas is discharged from the chimney, thereby achieving the effect of purifying the exhaust gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the condensate tank structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the cooling component structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the oxidation component structure of the utility model.

[0022] [Reference Signs]

[0023] 1. Condensate tank; 11. Cooling components; 111. Outer box; 112. Cooling box; 113. Compressor; 114. Liquid storage tank; 115. Liquid storage dryer; 116. Expansion valve; 117. Circulation pump; 118. Heat absorbing plate; 12. Air inlet pipe; 13. Water outlet pipe; 14. Recovery box; 15. Air outlet pipe; 2. Oxidation component; 21. Ceramic heat exchange box; 22. Post-filtration conduction box; 23. Combustion heating chamber; 24. Connection box; 3. Exhaust component; 31. Fan; 32. First connecting pipeline; 4. Transmission box; 5. Purification component; 51. Purification box; 52. Second connecting pipeline; 6. Chimney. DETAILED DESCRIPTION

[0024] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example 1

[0025] The preferred embodiment of the green printing device with exhaust gas purification and filtering function provided by the utility model is as follows Figures 1 to 4 As shown: it includes a condensate tank 1, an oxidation component 2 is provided at the side end of the condensate tank 1 for oxidizing the waste, an exhaust component 3 is provided at the side end of the oxidation component 2 for extracting the waste gas inside the oxidation component 2, a transmission box 4 is provided at the end of the exhaust component 3 away from the oxidation component 2 for cooling treatment, a purification component 5 is provided at the end of the transmission box 4 away from the exhaust component 3 for purification treatment, a chimney 6 is provided at the end of the purification component 5 away from the transmission box 4 for discharging waste gas, a cooling component 11 is fixedly installed at the bottom of the condensate tank 1, an air inlet pipe 12 is fixedly connected to the side end of the condensate tank 1, a water outlet pipe 13 is fixedly connected to the side end of the condensate tank 1, and a recovery box 14 is fixedly connected to the end of the water outlet pipe 13 away from the condensate tank 1, and an air outlet pipe 15 is fixedly connected to the rear end of the condensate tank 1, and the cooling component 1 1 comprises an outer box 111, a cooling box 112, a compressor 113, a liquid storage box 114, a liquid storage dryer 115, an expansion valve 116, a circulating pump 117, and a heat absorbing plate 118, wherein the outer box 111 is fixedly installed at the bottom of the condensate tank 1, the cooling box 112 is fixedly installed inside the outer box 111, the compressor 113 is fixedly installed inside the outer box 111, the liquid storage box 114 is fixedly installed inside the outer box 111, the liquid storage dryer 115 is fixedly installed inside the outer box 111, the cooling box 112, the compressor 113, the liquid storage box 114, the liquid storage dryer 115, and the expansion valve 116 are connected by a water pipe, the circulating pump 117 is fixedly installed inside the outer box 111, and the heat absorbing plate 118 is fixedly installed inside the outer box 111, and the cooling box 112, the circulating pump 117, and the heat absorbing plate 118 are connected by a water pipe.

[0026] Specifically, the waste gas generated by printing is introduced from the air inlet pipe 12. The waste gas contains VOCs and is cooled to below the dew point of the VOCs by the cooling component 11. At this time, the VOCs will condense into liquid and then separate from the waste gas. The liquid VOCs will flow out from the water outlet pipe 13 and will be recycled through the recovery box 14. Example 2

[0027] On the basis of the first embodiment, a preferred embodiment of the green printing device with exhaust gas purification and filtering function provided by the utility model is as follows: Figures 1 to 4 As shown: the oxidation assembly 2 includes a ceramic heat exchange box 21, a post-filter conduction box 22, a combustion heating chamber 23, and a connection box 24. The ceramic heat exchange box 21 is fixedly connected to the end of the outlet pipe 15 away from the condensate tank 1, the combustion heating chamber 23 is fixedly installed on the side end of the ceramic heat exchange box 21, and the connection box 24 is fixedly installed on the end of the ceramic heat exchange box 21 away from the combustion heating chamber 23. The post-filter conduction box 22 is fixedly installed between the combustion heating chamber 23 and the connection box 24, and below the ceramic heat exchange box 21. Component 3 includes a fan 31 and a first connecting pipe 32, wherein the fan 31 is fixedly connected to the side end of the connecting box 24, and the first connecting pipe 32 is fixedly connected to the end of the fan 31 away from the connecting box 24. The purification component 5 includes a purification box 51 and a second connecting pipe 52, wherein the purification box 51 is fixedly installed at the end of the transmission box 4 away from the first connecting pipe 32, and the second connecting pipe 52 is fixedly connected to the end of the purification box 51 away from the transmission box 4. Activated carbon is placed inside the purification box 51 for purifying exhaust gas.

[0028] Specifically, the remaining exhaust gas enters the ceramic heat exchange box 21 from the exhaust pipe 15, and is oxidized between the ceramic heat exchange box 21, the post-filter conduction box 22, the combustion and heating chamber 23, and the connecting box 24. Then the fan 31 extracts the exhaust gas from the connecting box 24 and introduces it into the transmission box 4. The transmission box 4 will perform a cooling and purification treatment on the exhaust gas. Then the exhaust gas enters the purification box 51 and is finally purified by activated carbon. Then the purified exhaust gas is discharged from the chimney 6.

[0029] The working process of the utility model is as follows:

[0030] The waste gas generated by printing is introduced from the air inlet pipe 12. The waste gas contains VOCs and is cooled to below the dew point of VOCs by the cooling component 11. At this time, the VOCs will condense into liquid and separate from the waste gas. The liquid VOCs flow out from the water outlet pipe 13 and are recycled by the recovery box 14. The remaining waste gas enters the ceramic heat exchange box 21 from the air outlet pipe 15, and is oxidized between the ceramic heat exchange box 21, the post-filtration conduction box 22, the combustion and heating chamber 23, and the connecting box 24. Then the fan 31 draws the waste gas from the connecting box 24 and introduces it into the transmission box 4. The transmission box 4 will cool and purify the waste gas once, and then the waste gas enters the purification box 51 for final purification by activated carbon. Then the purified waste gas is discharged from the chimney 6.

[0031] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0032] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0033] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A green printing device with exhaust gas purification and filtering function, comprising a condensate tank (1), characterized in that: An oxidation assembly (2) is provided at the side end of the condensate tank (1) for oxidizing the waste, an exhaust assembly (3) is provided at the side end of the oxidation assembly (2) for extracting the waste gas inside the oxidation assembly (2), a transmission box (4) is provided at one end of the exhaust assembly (3) away from the oxidation assembly (2) for cooling, a purification assembly (5) is provided at one end of the transmission box (4) away from the exhaust assembly (3) for purification, and a chimney (6) is provided at one end of the purification assembly (5) away from the transmission box (4) for discharging the waste gas.

2. A green printing device with exhaust gas purification and filtering function according to claim 1, characterized in that: A cooling component (11) is fixedly mounted on the bottom of the condensate tank (1), an air inlet pipe (12) is fixedly connected to the side end of the condensate tank (1), a water outlet pipe (13) is fixedly connected to the side end of the condensate tank (1), an end of the water outlet pipe (13) away from the condensate tank (1) is fixedly connected to a recovery tank (14), and a rear end of the condensate tank (1) is fixedly connected to an air outlet pipe (15).

3. A green printing device with exhaust gas purification and filtering function according to claim 2, characterized in that: The cooling component (11) comprises an outer box (111), a cooling box (112), a compressor (113), a liquid storage box (114), a liquid storage drier (115), an expansion valve (116), a circulating pump (117), and a heat absorbing plate (118); the outer box (111) is fixedly mounted on the bottom of the condensate tank (1); the cooling box (112) is fixedly mounted inside the outer box (111); the compressor (113) is fixedly mounted inside the outer box (111); the liquid storage box (114) is fixedly mounted inside the outer box (111); the liquid storage drier (115) is fixedly mounted inside the outer box (111); and the cooling box (112), the compressor (113), the liquid storage box (114), the liquid storage drier (115), and the expansion valve (116) are connected via a water pipe.

4. A green printing device with exhaust gas purification and filtering function according to claim 3, characterized in that: The circulation pump (117) is fixedly installed inside the outer box (111), the heat absorbing plate (118) is fixedly installed inside the outer box (111), and the cooling box (112), the circulation pump (117), and the heat absorbing plate (118) are connected via a water pipe.

5. The green printing device with exhaust gas purification and filtering function according to claim 4 is characterized in that: The oxidation assembly (2) comprises a ceramic heat exchange box (21), a post-filter conduction box (22), a combustion heating chamber (23), and a connection box (24); the ceramic heat exchange box (21) is fixedly connected to an end of the gas outlet pipe (15) away from the condensate tank (1); the combustion heating chamber (23) is fixedly installed on a side end of the ceramic heat exchange box (21); the connection box (24) is fixedly installed on an end of the ceramic heat exchange box (21) away from the combustion heating chamber (23); the post-filter conduction box (22) is fixedly installed between the combustion heating chamber (23) and the connection box (24), and below the ceramic heat exchange box (21).

6. The green printing device with exhaust gas purification and filtering function according to claim 5 is characterized in that: The air extraction assembly (3) comprises a fan (31) and a first connecting pipe (32); the fan (31) is fixedly connected to a side end of the connecting box (24); and the first connecting pipe (32) is fixedly connected to an end of the fan (31) away from the connecting box (24).

7. The green printing device with exhaust gas purification and filtering function according to claim 6 is characterized in that: The purification assembly (5) comprises a purification box (51) and a second connecting pipe (52); the purification box (51) is fixedly mounted on an end of the transmission box (4) away from the first connecting pipe (32); and the second connecting pipe (52) is fixedly connected to an end of the purification box (51) away from the transmission box (4).

8. The green printing device with exhaust gas purification and filtering function according to claim 7 is characterized in that: Activated carbon is placed inside the purification box (51) to purify the exhaust gas.

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