CN211384430U - VOCs exhaust purification treatment facility - Google Patents
VOCs exhaust purification treatment facility Download PDFInfo
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- CN211384430U CN211384430U CN201921983939.9U CN201921983939U CN211384430U CN 211384430 U CN211384430 U CN 211384430U CN 201921983939 U CN201921983939 U CN 201921983939U CN 211384430 U CN211384430 U CN 211384430U
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Abstract
The utility model discloses a VOCs waste gas purification treatment device, which belongs to the technical field of waste gas treatment, and comprises a VOCs waste gas source and a primary treatment component, wherein the primary treatment component is connected with the VOCs waste gas source; still including burning subassembly, secondary treatment subassembly, first fan, solenoid valve, first air guide pipeline, second air guide pipeline, third air guide pipeline, fourth air guide pipeline and fifth air guide pipeline, the VOCs waste gas source is connected with the primary treatment subassembly through the third air guide pipeline, the primary treatment subassembly through first air guide pipeline and second air guide pipeline with burn the subassembly and be connected, the primary treatment subassembly passes through the fifth air guide pipeline and is connected with the secondary treatment subassembly, the secondary treatment subassembly passes through the fourth air guide pipeline and is connected with first fan. The utility model discloses can carry out multistage purification treatment to VOCs waste gas, the treatment effect is higher, has wide application prospect.
Description
Technical Field
The utility model relates to a waste gas treatment technical field specifically is a VOCs exhaust-gas purification treatment equipment.
Background
Volatile Organic Compounds, commonly referred to as VOCs, are abbreviations of the first letter of the three words Volatile Organic Compounds, and total Volatile Organic Compounds are sometimes also referred to as TVOC; VOCs (volatile organic compounds) are, by definition of the World Health Organization (WHO), various organic compounds having a boiling point of 50 ℃ to 260 ℃ at ambient temperature. In China, VOCs refer to organic compounds with saturated vapor pressure of more than 70Pa at normal temperature and boiling point of below 260 ℃ at normal pressure, or all organic compounds with vapor pressure of more than or equal to 10Pa and volatility at 20 ℃. Generally, they are classified into non-methane hydrocarbons (NMHCs), oxygen-containing organic compounds, halogenated hydrocarbons, nitrogen-containing organic compounds, sulfur-containing organic compounds, and the like. VOCs participate in the formation of ozone and secondary aerosols in the atmospheric environment, which have important effects on regional atmospheric ozone pollution and PM2.5 pollution. Volatile Organic Compounds (VOCs) are important precursors for forming secondary pollutants such as fine particulate matters (PM2.5) and ozone (O3), and further cause atmospheric environmental problems such as dust haze and photochemical smog. Therefore, the purification treatment of the exhaust gas containing VOCs is very important.
Most of VOCs waste gas purification treatment equipment in the prior art has the problems of complex process, incomplete purification and single purification process; in addition, when the combustion method is used for purifying the VOCs waste gas, the treated high-temperature gas is directly discharged into the atmosphere without being subjected to cooling treatment and adsorption treatment, so that secondary pollution is easily caused to the air, and other pollution problems are caused; the treated high-temperature gas also passes through a specially arranged cooling device, and the cooling device is independent of the VOCs waste gas purification treatment device, so that the cost is not favorably controlled effectively. Therefore, the utility model provides a VOCs exhaust-gas purification treatment equipment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a VOCs exhaust-gas purification treatment equipment to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the VOCs waste gas purification treatment equipment comprises a VOCs waste gas source and a primary treatment assembly, wherein the primary treatment assembly is connected with the VOCs waste gas source; still including burning subassembly, secondary treatment subassembly, first fan, solenoid valve, first air guide pipeline, second air guide pipeline, third air guide pipeline, fourth air guide pipeline and fifth air guide pipeline, the VOCs waste gas source is connected with the primary treatment subassembly through the third air guide pipeline, the primary treatment subassembly through first air guide pipeline and second air guide pipeline with burn the subassembly and be connected, the primary treatment subassembly passes through the fifth air guide pipeline and is connected with the secondary treatment subassembly, the secondary treatment subassembly passes through the fourth air guide pipeline and is connected with first fan. The utility model discloses can carry out multistage purification treatment to VOCs waste gas, the treatment effect is higher, has wide application prospect.
As a further aspect of the present invention: the incineration assembly comprises an incinerator, an air outlet, an air inlet, a temperature sensor, a support column, a combustion chamber, an auxiliary fuel pipeline, a fresh air pipeline and a second fan; the gas outlet is arranged on the right side of the upper surface of the incinerator, the gas inlet is arranged on the right side of the incinerator, the temperature sensor is arranged on the wall of the incinerator, and the temperature sensor is used for monitoring the temperature in the incinerator in real time so as to monitor the reaction condition in the incinerator in real time.
As a further aspect of the present invention: the support column is arranged at the bottom of the incinerator and used for supporting and fixing the incinerator; the combustion chamber is arranged on the left side of the bottom of the incinerator, the auxiliary fuel pipeline is communicated with the combustion chamber, one end of the fresh air pipeline is communicated with the combustion chamber, and the other end of the fresh air pipeline is connected with the output end of the second fan. The auxiliary fuel pipeline is used for conveying fuel for auxiliary combustion into the combustion chamber, and the fresh air pipeline and the second fan are used for conveying fresh air into the combustion chamber for auxiliary combustion.
As a further aspect of the present invention: the air outlet is fixedly connected with one end of the first air guide pipeline, and the air inlet is fixedly connected with one end of the second air guide pipeline.
As a further aspect of the present invention: the primary treatment assembly comprises a primary treatment box, a cooling pipeline, a first air guide port, a second air guide port, a VOCs waste gas pipe, treatment liquid, a third air guide port and a support leg; first air port and the second is led the gas port and is all set up in the top left side that the case was handled to the one-level, and first air port setting is led the gas port top at the second, the third is led the gas port setting and is handled the bottom right side of case at the one-level, cooling duct sets up inside the case is handled to the one-level, and cooling duct's one end and first air port intercommunication, cooling duct's the other end and third lead the gas port intercommunication.
As a further aspect of the present invention: the incasement splendid attire treatment fluid is handled to the one-level, the liquid level of treatment fluid leads gas port below at the second, the one end setting of VOCs exhaust gas pipe is inside the one-level processing incasement portion, and the other end setting of VOCs exhaust gas pipe is outside the one-level processing case, and VOCs exhaust gas pipe sets up below the liquid level of treatment fluid in the one-level processing incasement portion, and VOCs exhaust gas pipe and cooling duct do not communicate each other, supporting leg fixed mounting is in the one-level processing bottom of the case portion. The reaction liquid is a reaction liquid commonly used in the prior art for treating VOCs waste gas.
As a further aspect of the present invention: VOCs waste gas pipe sets up and passes through third air guide pipeline and VOCs waste gas source intercommunication at the outside other end of one-level processing case, first air guide port and first air guide pipeline's other end fixed connection, the second air guide port and second air guide pipeline's other end fixed connection, the third air guide port and fifth air guide pipeline's one end fixed connection. VOCs waste gas in the VOCs waste gas source enters into the primary treatment box through the VOCs waste gas pipe, the rethread second leads the gas port after handling liquid in the primary treatment box, second air guide pipeline and air inlet enter into the burning furnace and carry out the high temperature reaction, VOCs waste gas rethread gas outlet after the high temperature reaction, first air guide pipeline and first air guide port cool off in entering into the cooling tube, VOCs waste gas after the cooling enters into the fifth air guide pipeline through the third air guide port again.
As a further aspect of the present invention: the secondary treatment component comprises a secondary treatment box, a fourth air guide port, an activated carbon adsorption layer, a fifth air guide port and supporting legs; the fourth leads the gas port setting in the top left side of case is handled to the second grade, the fifth leads the gas port setting on the bottom right side of case is handled to the second grade, the active carbon adsorption layer sets up at the inside of second grade processing incasement portion, the supporting legs is installed and is handled the bottom half at the second grade. The active carbon adsorption layer is used for further adsorbing the VOCs waste gas, so that the treatment effect is improved.
As a further aspect of the present invention: the fourth air guide port is fixedly connected with the other end of the fifth air guide pipeline, the fifth air guide port is fixedly connected with one end of the fourth air guide pipeline, and the other end of the fourth air guide pipeline is fixedly connected with the input end of the first fan. The VOCs waste gas that enters into in the fifth air guide pipeline enters into the secondary treatment case through the fourth air guide port, and VOCs waste gas further adsorbs through the active carbon adsorption layer in the secondary treatment case, and the gas after the absorption discharges through fifth air guide port, fourth air guide pipeline and first fan.
As a further aspect of the present invention: and electromagnetic valves are arranged on the first air guide pipeline, the second air guide pipeline, the third air guide pipeline, the fourth air guide pipeline and the fifth air guide pipeline.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model relates to a VOCs waste gas purification treatment device, which comprises a VOCs waste gas source, a primary treatment component, an incineration component, a secondary treatment component, a first fan, an electromagnetic valve, a first air guide pipeline, a second air guide pipeline, a third air guide pipeline, a fourth air guide pipeline and a fifth air guide pipeline; under the mutual matching of the components, the utility model solves the problems that most of VOCs waste gas purification treatment equipment in the prior art has complicated processes, incomplete purification and single purification process by arranging the primary treatment component, the secondary treatment component and the incineration component, and has multi-stage purification and good purification effect; in addition, the primary treatment component can cool the VOCs waste gas while performing primary treatment on the VOCs waste gas, so that other harmful gases in the VOCs waste gas from the combustion component are effectively reduced, the possibility of secondary pollution to the air is reduced, and the cost is effectively controlled; furthermore the utility model discloses well secondary treatment subassembly when carrying out further processing to the VOCs waste gas, can also adsorb other harmful gas in the VOCs waste gas, purify more thoroughly, be of value to the environment more.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the middle burning component of the present invention.
Fig. 3 is a schematic structural diagram of the middle stage treatment assembly of the present invention.
Fig. 4 is a schematic structural diagram of the secondary processing assembly of the present invention.
In the figure: 1-incineration component, 101-incinerator, 102-gas outlet, 103-gas inlet, 104-temperature sensor, 105-support column, 106-combustion chamber, 107-auxiliary fuel pipeline, 108-fresh air pipeline, 109-second fan, 2-primary treatment component, 201-primary treatment box, 202-cooling pipeline, 203-first gas guide port, 204-second gas guide port, 205-VOCs waste gas pipe, 206-treatment liquid, 207-third gas guide port, 208-support leg, 3-secondary treatment component, 301-secondary treatment box, 302-fourth gas guide port, 303-active carbon adsorption layer, 304-fifth gas guide port, 305-support leg, 4-VOCs waste gas source, 5-first fan, 6-electromagnetic valve, 6-temperature sensor, and the like, 7-a first air guide channel, 8-a second air guide channel, 9-a third air guide channel, 10-a fourth air guide channel, 11-a fifth air guide channel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
Referring to fig. 1-3, in an embodiment of the present invention, a device for purifying and treating VOCs waste gas includes a VOCs waste gas source 4 and a primary treatment assembly 2, wherein the primary treatment assembly 2 is connected to the VOCs waste gas source 4; still including burning subassembly 1, second grade processing unit 3, first fan 5, solenoid valve 6, first air guide pipeline 7, second air guide pipeline 8, third air guide pipeline 9, fourth air guide pipeline 10 and fifth air guide pipeline 11, VOCs waste gas source 4 is connected with first-order processing unit 2 through third air guide pipeline 9, first-order processing unit 2 is connected with burning subassembly 1 through first air guide pipeline 7 and second air guide pipeline 8, first-order processing unit 2 is connected with second grade processing unit 3 through fifth air guide pipeline 11, second grade processing unit 3 is connected with first fan 5 through fourth air guide pipeline 10. The utility model discloses can carry out multistage purification treatment to VOCs waste gas, the treatment effect is higher, has wide application prospect.
In the embodiment of the present invention, the incineration assembly 1 includes an incinerator 101, an air outlet 102, an air inlet 103, a temperature sensor 104, a support column 105, a combustion chamber 106, an auxiliary fuel pipeline 107, a fresh air pipeline 108 and a second fan 109; the air outlet 102 is provided at the right side of the upper surface of the incinerator 101, the air inlet 103 is provided at the right side of the incinerator 101, the temperature sensor 104 is provided at the wall of the incinerator 101, and the temperature sensor 104 functions to monitor the temperature in the incinerator 101 in real time, thereby monitoring the reaction in the incinerator 101 in real time.
In the embodiment of the present invention, the supporting column 105 is disposed at the bottom of the incinerator 101, and the supporting column 105 is used for supporting and fixing the incinerator 101; the combustion chamber 106 is arranged at the left side of the bottom of the incinerator 101, the auxiliary fuel pipeline 107 is communicated with the combustion chamber 106, one end of the fresh air pipeline 108 is communicated with the combustion chamber 106, and the other end of the fresh air pipeline 108 is connected with the output end of the second fan 109. The auxiliary fuel conduit 107 is used to deliver auxiliary combustion fuel into the combustion chamber 106, and the fresh air conduit 108 and the second fan 109 are used to deliver fresh air into the combustion chamber 106 for auxiliary combustion.
In the embodiment of the present invention, the gas outlet 102 is fixedly connected to one end of the first gas guide channel 7, and the gas inlet 103 is fixedly connected to one end of the second gas guide channel 8.
In the embodiment of the present invention, the primary processing assembly 2 includes a primary processing box 201, a cooling pipeline 202, a first air guide port 203, a second air guide port 204, a VOCs waste gas pipe 205, a processing liquid 206, a third air guide port 207 and a support leg 208; first air guide port 203 and second air guide port 204 all set up on the left of the top of case 201 is handled to the one-level, and first air guide port 203 sets up in second air guide port 204 top, third air guide port 207 sets up on the bottom right side of case 201 is handled to the one-level, cooling duct 202 sets up inside case 201 is handled to the one-level, and cooling duct 202's one end and first air guide port 203 intercommunication, cooling duct 202's the other end and third air guide port 207 intercommunication.
In the embodiment of the utility model provides an in, splendid attire treatment fluid 206 in the primary treatment case 201, the liquid level of treatment fluid 206 is in second air guide port 204 below, the one end setting of VOCs exhaust gas pipe 205 is inside primary treatment case 201, and the other end setting of VOCs exhaust gas pipe 205 is outside primary treatment case 201, and VOCs exhaust gas pipe 205 sets up below the liquid level of treatment fluid 206 in the inside one end setting of primary treatment case 201, and VOCs exhaust gas pipe 205 and cooling pipeline 202 are each other not linked together, supporting leg 208 fixed mounting is in primary treatment case 201 bottom. The reaction liquid 206 is a reaction liquid commonly used in the prior art for treating the waste gas of the VOCs.
In the embodiment of the utility model provides an in, VOCs waste gas pipe 205 sets up and passes through third air guide duct 9 and VOCs waste gas source 4 intercommunication at the outside other end of one-level processing case 201, first air guide mouth 203 and the other end fixed connection of first air guide duct 7, the other end fixed connection of second air guide mouth 204 and second air guide duct 8, the third air guide mouth 207 and the one end fixed connection of fifth air guide duct 11. VOCs waste gas in the VOCs waste gas source 4 enters the primary treatment box 201 through the VOCs waste gas pipe 205, the VOCs waste gas is treated by the treatment liquid 206 in the primary treatment box 201 and then enters the incinerator 101 through the second gas guide port 204, the second gas guide pipeline 8 and the gas inlet 103 for high-temperature reaction, the VOCs waste gas after high-temperature reaction enters the cooling pipeline 202 through the gas outlet 102, the first gas guide pipeline 7 and the first gas guide port 203 for cooling, and the cooled VOCs waste gas enters the fifth gas guide pipeline 11 through the third gas guide port 207.
Example two
Referring to fig. 4, in the embodiment of the present invention, on the basis of the first embodiment, the secondary treatment assembly 3 includes a secondary treatment tank 301, a fourth air guide opening 302, an activated carbon adsorption layer 303, a fifth air guide opening 304 and a supporting leg 305; the fourth air guide port 302 is arranged at the left side of the top of the secondary treatment box 301, the fifth air guide port 304 is arranged at the right side of the bottom of the secondary treatment box 301, the activated carbon adsorption layer 303 is arranged inside the secondary treatment box 301, and the supporting leg 305 is arranged at the bottom of the secondary treatment box 301. The activated carbon adsorption layer 303 is used for further adsorbing the VOCs waste gas, thereby improving the treatment effect.
In the embodiment of the utility model, fourth air guide 303 and the other end fixed connection of fifth air guide 11, fifth air guide 304 and fourth air guide 10's one end fixed connection, fourth air guide 10's the other end and the input fixed connection of first fan 5. The VOCs waste gas entering the fifth gas guide pipeline 11 enters the secondary treatment tank 301 through the fourth gas guide port 302, the VOCs waste gas is further adsorbed in the secondary treatment tank 301 through the activated carbon adsorption layer 303, and the adsorbed gas is discharged through the fifth gas guide port 304, the fourth gas guide pipeline 10 and the first fan 5.
In the embodiment of the present invention, the electromagnetic valve 6 is installed on the first air guide duct 7, the second air guide duct 8, the third air guide duct 9, the fourth air guide duct 10, and the fifth air guide duct 11.
It needs to be further explained that the specific working process of the present invention is:
VOCs waste gas in the VOCs waste gas source 4 enters the primary treatment box 201 through the VOCs waste gas pipe 205, enters the incinerator 101 through the second gas guide port 204, the second gas guide pipeline 8 and the gas inlet 103 after being treated by the treatment liquid 206 in the primary treatment box 201 to carry out high-temperature reaction, the VOCs waste gas after the high-temperature reaction enters the cooling pipeline 202 through the gas outlet 102, the first gas guide pipeline 7 and the first gas guide port 203 to be cooled, and the cooled VOCs waste gas enters the fifth gas guide pipeline 11 through the third gas guide port 207; the VOCs waste gas entering the fifth gas guide pipeline 11 enters the secondary treatment tank 301 through the fourth gas guide port 302, the VOCs waste gas is further adsorbed in the secondary treatment tank 301 through the activated carbon adsorption layer 303, and the adsorbed gas is discharged through the fifth gas guide port 304, the fourth gas guide pipeline 10 and the first fan 5.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The VOCs waste gas purification treatment equipment comprises a VOCs waste gas source (4) and a primary treatment assembly (2), wherein the primary treatment assembly (2) is connected with the VOCs waste gas source (4); the novel waste gas incinerator is characterized by further comprising an incineration assembly (1), a secondary treatment assembly (3), a first fan (5), an electromagnetic valve (6), a first gas guide pipeline (7), a second gas guide pipeline (8), a third gas guide pipeline (9), a fourth gas guide pipeline (10) and a fifth gas guide pipeline (11), wherein a VOCs waste gas source (4) is connected with the primary treatment assembly (2) through the third gas guide pipeline (9), the primary treatment assembly (2) is connected with the incineration assembly (1) through the first gas guide pipeline (7) and the second gas guide pipeline (8), the primary treatment assembly (2) is connected with the secondary treatment assembly (3) through the fifth gas guide pipeline (11), and the secondary treatment assembly (3) is connected with the first fan (5) through the fourth gas guide pipeline (10).
2. A VOCs exhaust gas purification treatment apparatus as claimed in claim 1, wherein said incineration assembly (1) comprises an incinerator (101), an air outlet (102), an air inlet (103), a temperature sensor (104), a support column (105), a combustion chamber (106), an auxiliary fuel pipe (107), a fresh air pipe (108) and a second fan (109); the air outlet (102) is arranged on the right side of the upper surface of the incinerator (101), the air inlet (103) is arranged on the right side of the incinerator (101), and the temperature sensor (104) is arranged on the wall of the incinerator (101).
3. A VOCs waste gas purification treatment apparatus as claimed in claim 2, wherein the support column (105) is disposed at the bottom of the incinerator (101), the combustion chamber (106) is disposed at the left side of the bottom of the incinerator (101), the auxiliary fuel pipe (107) is communicated with the combustion chamber (106), one end of the fresh air pipe (108) is communicated with the combustion chamber (106), and the other end of the fresh air pipe (108) is connected with the output end of the second fan (109).
4. The VOCs exhaust gas purification treatment device of claim 3, wherein the air outlet (102) is fixedly connected with one end of the first air guide duct (7), and the air inlet (103) is fixedly connected with one end of the second air guide duct (8).
5. The VOCs exhaust gas purification treatment device of claim 2, wherein the primary treatment assembly (2) comprises a primary treatment tank (201), a cooling pipeline (202), a first air guide port (203), a second air guide port (204), a VOCs exhaust pipe (205), a treatment liquid (206), a third air guide port (207) and a support leg (208); first lead gas port (203) and second and lead gas port (204) and all set up on the top left side of case (201) is handled to the one-level, and first lead gas port (203) set up in second lead gas port (204) top, gas port (207) set up on the bottom right side of case (201) is handled to the third, cooling tube (202) set up inside case (201) is handled to the one-level, and the one end and the first gas port (203) intercommunication of leading of cooling tube (202), the other end and the third of cooling tube (202) lead gas port (207) intercommunication.
6. The VOCs waste gas purification treatment equipment as claimed in claim 5, wherein the primary treatment tank (201) is filled with the treatment liquid (206), the liquid level of the treatment liquid (206) is below the second air guide port (204), one end of the VOCs waste gas pipe (205) is arranged inside the primary treatment tank (201), the other end of the VOCs waste gas pipe (205) is arranged outside the primary treatment tank (201), one end of the VOCs waste gas pipe (205) arranged inside the primary treatment tank (201) is arranged below the liquid level of the treatment liquid (206), the VOCs waste gas pipe (205) is not communicated with the cooling pipeline (202), and the supporting legs (208) are fixedly arranged at the bottom of the primary treatment tank (201).
7. The VOCs waste gas purification treatment device of claim 6, wherein the other end of the VOCs waste gas pipe (205) arranged outside the primary treatment box (201) is communicated with a VOCs waste gas source (4) through a third gas guide pipe (9), the first gas guide port (203) is fixedly connected with the other end of the first gas guide pipe (7), the second gas guide port (204) is fixedly connected with the other end of the second gas guide pipe (8), and the third gas guide port (207) is fixedly connected with one end of a fifth gas guide pipe (11).
8. The VOCs exhaust gas purification treatment device according to claim 5, wherein the secondary treatment assembly (3) comprises a secondary treatment tank (301), a fourth air guide port (302), an activated carbon adsorption layer (303), a fifth air guide port (304) and supporting legs (305); the fourth leads gas port (302) to set up on the left of the top of case (301) is handled to the second grade, fifth lead gas port (304) to set up the bottom right side of case (301) is handled to the second grade, activated carbon adsorption layer (303) set up inside case (301) is handled to the second grade, supporting legs (305) are installed and are handled case (301) bottom to the second grade.
9. The VOCs waste gas purification treatment device of claim 8, wherein the fourth air guide opening (302) is fixedly connected with the other end of a fifth air guide pipe (11), the fifth air guide opening (304) is fixedly connected with one end of a fourth air guide pipe (10), and the other end of the fourth air guide pipe (10) is fixedly connected with the input end of the first fan (5).
10. The VOCs waste gas purification treatment device according to claim 1, wherein the first air guide duct (7), the second air guide duct (8), the third air guide duct (9), the fourth air guide duct (10) and the fifth air guide duct (11) are all provided with electromagnetic valves (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921983939.9U CN211384430U (en) | 2019-11-18 | 2019-11-18 | VOCs exhaust purification treatment facility |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921983939.9U CN211384430U (en) | 2019-11-18 | 2019-11-18 | VOCs exhaust purification treatment facility |
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| CN211384430U true CN211384430U (en) | 2020-09-01 |
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| CN201921983939.9U Active CN211384430U (en) | 2019-11-18 | 2019-11-18 | VOCs exhaust purification treatment facility |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A VOCs waste gas purification and treatment equipment Effective date of registration: 20220928 Granted publication date: 20200901 Pledgee: Dongying Rural Commercial Bank Co.,Ltd. Shikou Sub branch Pledgor: Shandong Haijia Petrochemical Co.,Ltd. Registration number: Y2022980016632 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230921 Granted publication date: 20200901 Pledgee: Dongying Rural Commercial Bank Co.,Ltd. Shikou Sub branch Pledgor: Shandong Haijia Petrochemical Co.,Ltd. Registration number: Y2022980016632 |