CN212701405U - Production equipment of air pollution treatment medicament - Google Patents
Production equipment of air pollution treatment medicament Download PDFInfo
- Publication number
- CN212701405U CN212701405U CN202020626460.6U CN202020626460U CN212701405U CN 212701405 U CN212701405 U CN 212701405U CN 202020626460 U CN202020626460 U CN 202020626460U CN 212701405 U CN212701405 U CN 212701405U
- Authority
- CN
- China
- Prior art keywords
- ammonia
- liquid
- water tank
- distributor
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000003814 drug Substances 0.000 title description 7
- 238000003915 air pollution Methods 0.000 title description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 97
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims abstract description 93
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 93
- 239000007788 liquid Substances 0.000 claims abstract description 76
- 239000000498 cooling water Substances 0.000 claims abstract description 14
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- 239000007921 spray Substances 0.000 claims description 73
- 229910021529 ammonia Inorganic materials 0.000 abstract description 20
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 description 8
- 238000002156 mixing Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 2
- 238000012824 chemical production Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a production device of an atmosphere pollution control agent, which comprises a body, a liquid distributor, a gas distributor, an ammonia water tank, a heat exchanger and a return pipeline; the liquid distributor is arranged above the body, and an inlet of the liquid distributor is connected with a liquid ammonia input pipe outside the body; the gas distributor is arranged in the middle of the body, and the inlet of the gas distributor is connected with an ammonia gas input pipe outside the body; the ammonia water tank is provided with the bottom of the body; the heat exchanger is arranged in the ammonia water tank, and the inlet and the outlet of the heat exchanger are communicated with an external cooling water pipeline; one end of the return pipeline is connected with the ammonia water tank, and the other end of the return pipeline is connected with an inlet of the liquid distributor; the return pipeline is provided with a circulating pump. The utility model discloses promote the mixed reaction of liquid ammonia and ammonia, the reaction is even, abundant, can in time reduce the temperature of the aqueous ammonia that generates, increases the solubility of ammonia in aqueous for gaseous change is dissolved in aqueous, and the aqueous ammonia follows circulated to this internal reaction, can obtain the aqueous ammonia product of different concentrations according to the demand.
Description
Technical Field
The utility model belongs to the technical field of chemical industry equipment, a production facility of agent is administered in atmosphere pollution is related to.
Background
The ammonia water is widely used as a raw material and a reagent commonly used in chemical production, particularly, along with the development of the environmental protection industry in recent years, the ammonia water is used as an air pollution treatment agent, and particularly, the ammonia water is used as a reducing agent in the field of desulfurization and denitrification more and more, so that the preparation of the ammonia water is more and more important. And a large amount of heat is released in the process of dissolving the ammonia water in water, and if proper cooling treatment is not adopted, the temperature of an ammonia water system is increased, but ammonia gas is easy to volatilize after the temperature of the ammonia water exceeds 60 ℃, so that the preparation difficulty of the ammonia water is increased.
At present, ammonia water is generally prepared by adopting liquid ammonia, and when ammonia gas and the liquid ammonia are not uniformly mixed, the cooling effect is poor, the absorption of the ammonia gas is influenced, and the resource waste is caused.
Disclosure of Invention
The utility model discloses an overcome prior art not enough, provide a gas-liquid mixture is effectual, and the cooling is timely, and the controllable atmosphere of the aqueous ammonia concentration of obtaining pollutes the production facility of administering medicament.
In order to achieve the above purpose, the technical solution of the present invention is as follows:
a production device of an atmospheric pollution treatment medicament comprises a body, a liquid distributor, a gas distributor, an ammonia water tank, a heat exchanger and a return pipeline; the liquid distributor is arranged above the body, and an inlet of the liquid distributor is connected with a liquid ammonia input pipe outside the body; the gas distributor is arranged in the middle of the body, and the inlet of the gas distributor is connected with an ammonia gas input pipe outside the body; the ammonia water tank is provided with the bottom of the body; the heat exchanger is arranged in the ammonia water tank, and an inlet and an outlet of the heat exchanger are communicated with an external cooling water pipeline; one end of the return pipeline is connected with the ammonia water tank, and the other end of the return pipeline is connected with an inlet of the liquid distributor; and the return pipeline is provided with a circulating pump.
As a further technical improvement, the liquid distributor comprises two layers of spray pipes and a layer of sieve plate which are connected in parallel; spray heads are uniformly distributed on each layer of spray pipes, the spray heads of the upper layer of spray pipes spray downwards, and the spray heads of the lower layer of spray pipes spray upwards; the sieve plate is arranged between the two layers of spray pipes. The lower layer spray pipe sprays liquid upwards to collide with the liquid sprayed downwards by the upper layer spray pipe, so that the turbulence phenomenon of the liquid is enhanced, and the gas is favorably and fully mixed; the sieve plate coalesces and rectifies the liquid sprayed by the two layers of spray pipes, so that the liquid stagnation time and path are prolonged, the area of contact with gas is enlarged, and the mixing is uniform and sufficient.
As a further technical improvement, the sieve plate is connected with a circular plate in series. The liquid sprayed by the two layers of spray pipes is dripped and hung on the surface of the circular plate, so that the stagnation time and the path of the liquid are further prolonged.
As a further technical improvement, the top of the gas distributor is umbrella-shaped, and the surface of the umbrella-shaped gas distributor is uniformly provided with gas outlets. The input ammonia gas is uniformly distributed in the body through the gas distributor, which is beneficial to enlarging the gas-liquid contact area and ensures that the gas is completely absorbed.
As a further technical improvement, the heat exchanger described above is a coil heat exchanger. The outside cooling water absorbs the heat in the ammonia water tank through the coil type heat exchanger, so that the temperature in the ammonia water tank is effectively reduced, and the ammonia gas absorption capacity is improved.
The working principle of the utility model is as follows:
liquid ammonia enters the body through the liquid distributor, and is settled in the ammonia water tank, ammonia enters the body through the gas distributor, one part of ammonia is absorbed by ammonia water in the ammonia water tank, the other part of ammonia escapes upwards and is mixed with the liquid ammonia sprayed by the liquid distributor, and then is settled in the ammonia water tank, cooling water from the outside absorbs heat in the ammonia water tank through the heat exchanger, the temperature of the ammonia water is reduced, and the ammonia water and the ammonia gas are promoted to react; the circulating pump flows back the aqueous ammonia in the aqueous ammonia groove to the body top to enter into the body through liquid distributor and contact reaction once more with the ammonia, improve aqueous ammonia concentration, so circulation is reciprocal, until preparing out the aqueous ammonia of qualified concentration.
Compared with the prior art, the utility model has the advantages and beneficial effect as follows:
1. the utility model discloses a set up liquid distributor and gas distributor at this internal, promote the mixed reaction of liquid ammonia and ammonia, the reaction is even, abundant, and the heat exchanger in the ammonia water groove can in time reduce the temperature of the aqueous ammonia that generates, and the solubility of increase ammonia in aqueous for gaseous change is dissolved in aqueous, and the back flow can be carried the aqueous ammonia circulation to this internal reaction that reacts, can obtain the aqueous ammonia product of different concentrations according to the demand, and the commonality is strong.
2. The liquid distributor of the utility model can cause the liquid to collide with each other by the different direction injection of the upper and lower layers of spray pipes, thereby enhancing the turbulence phenomenon of the liquid and being beneficial to the full mixing with the gas; the sieve plate coalesces and rectifies the liquid sprayed by the two layers of spray pipes, so that the liquid stagnation time and path are prolonged, the area of contact with gas is enlarged, and the mixing is uniform and sufficient.
3. The utility model discloses simple structure, the energy saving, convenient operation, extensive applicability.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the perforated plate and the circular plate of the present invention.
The attached drawings are as follows:
1-body, 2-upper layer spray pipe, 3-sieve plate, 4-circular plate, 5-lower layer spray pipe, 6-gas distributor, 7-ammonia water tank, 8-heat exchanger, 9-reflux pipe and 10-circulating pump.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Example 1:
a production device of an atmospheric pollution treatment medicament comprises a body 1, a liquid distributor, a gas distributor 6, an ammonia water tank 7, a heat exchanger 8 and a return pipe 9; the liquid distributor is arranged above the body 1, and an inlet of the liquid distributor is connected with a liquid ammonia input pipe outside the body 1; the gas distributor 6 is arranged in the middle of the body 1, and the inlet of the gas distributor is connected with an ammonia gas input pipe outside the body 1; the ammonia water tank 7 is provided with the bottom of the body 1; the heat exchanger 8 is arranged in the ammonia water tank 7, and the inlet and the outlet of the heat exchanger 8 are communicated with an external cooling water pipeline; one end of the return pipe 9 is connected with the ammonia water tank 7, and the other end is connected with the inlet of the liquid distributor; and a circulating pump 10 is arranged on the return pipe 9. The heat exchanger 8 is a coil type heat exchanger 8. The outside cooling water absorbs the heat in the ammonia water tank 7 through the coil type heat exchanger, so that the temperature in the ammonia water tank 7 is effectively reduced, and the ammonia gas absorption capacity is improved.
The liquid distributor comprises two layers of spray pipes connected in parallel and a layer of sieve plate 3; spray heads are uniformly distributed on each layer of spray pipes, the spray heads of the upper layer of spray pipes 2 spray downwards, and the spray heads of the lower layer of spray pipes 5 spray upwards; the sieve plate 3 is arranged between the two layers of spray pipes. The lower spray pipe 5 sprays liquid upwards to collide with the liquid sprayed downwards by the upper spray pipe 2, so that the turbulence phenomenon of the liquid is enhanced, and the gas is favorably and fully mixed; the sieve plate 6 coalesces and rectifies the liquid sprayed by the two layers of spray pipes, so that the liquid stagnation time and path are prolonged, the area of contact with gas is enlarged, and the mixing is uniform and sufficient.
Liquid ammonia enters the body through the liquid distributor, and is settled in the ammonia water tank 7, ammonia enters the body 1 through the gas distributor 6, a part of ammonia is absorbed by ammonia water in the ammonia water tank 7, the other part of ammonia escapes upwards and is mixed with the liquid ammonia sprayed by the liquid distributor, and then is settled in the ammonia water tank 7, cooling water from the outside absorbs heat in the ammonia water tank through the heat exchanger 8, the temperature of the ammonia water is reduced, and the ammonia water and the ammonia gas are promoted to react; the circulating pump 10 flows back the aqueous ammonia in the ammonia water tank to the top of the body 1, and enters the body 1 through the liquid distributor to be contacted and reacted with ammonia again, so that the concentration of the aqueous ammonia is improved, and the circulation is repeated until the aqueous ammonia with qualified concentration is prepared.
Example 2:
a production device of an atmospheric pollution treatment medicament comprises a body 1, a liquid distributor, a gas distributor 6, an ammonia water tank 7, a heat exchanger 8 and a return pipe 9; the liquid distributor is arranged above the body 1, and an inlet of the liquid distributor is connected with a liquid ammonia input pipe outside the body 1; the gas distributor 6 is arranged in the middle of the body 1, and the inlet of the gas distributor is connected with an ammonia gas input pipe outside the body 1; the ammonia water tank 7 is provided with the bottom of the body 1; the heat exchanger 8 is arranged in the ammonia water tank 7, and the inlet and the outlet of the heat exchanger 8 are communicated with an external cooling water pipeline; one end of the return pipe 9 is connected with the ammonia water tank 7, and the other end is connected with the inlet of the liquid distributor; and a circulating pump 10 is arranged on the return pipe 9. The heat exchanger 8 is a coil type heat exchanger 8. The outside cooling water absorbs the heat in the ammonia water tank through the coil type heat exchanger, so that the temperature in the ammonia water tank is effectively reduced, and the ammonia gas absorption capacity is improved.
The liquid distributor comprises two layers of spray pipes connected in parallel and a layer of sieve plate 3; spray heads are uniformly distributed on each layer of spray pipes, the spray heads of the upper layer of spray pipes 2 spray downwards, and the spray heads of the lower layer of spray pipes 5 spray upwards; the sieve plate 3 is arranged between the two layers of spray pipes. The lower spray pipe 5 sprays liquid upwards to collide with the liquid sprayed downwards by the upper spray pipe 2, so that the turbulence phenomenon of the liquid is enhanced, and the gas is favorably and fully mixed; the sieve plate 3 coalesces and rectifies the liquid sprayed by the two layers of spray pipes, so that the liquid stagnation time and path are prolonged, the area of contact with gas is enlarged, and the mixing is uniform and sufficient.
The sieve plate 3 is connected with a circular plate 4 in series. The liquid sprayed by the two layers of spray pipes is dripped and hung on the surface of the circular plate 4, and the stagnation time and the path of the liquid are further prolonged.
Liquid ammonia enters the body through the liquid distributor, and is settled in the ammonia water tank 7, ammonia enters the body 1 through the gas distributor 6, a part of ammonia is absorbed by ammonia water in the ammonia water tank 7, the other part of ammonia escapes upwards and is mixed with the liquid ammonia sprayed by the liquid distributor, and then is settled in the ammonia water tank 7, cooling water from the outside absorbs heat in the ammonia water tank through the heat exchanger 8, the temperature of the ammonia water is reduced, and the ammonia water and the ammonia gas are promoted to react; the circulating pump 10 flows back the aqueous ammonia in the ammonia water tank to the top of the body 1, and enters the body 1 through the liquid distributor to be contacted and reacted with ammonia again, so that the concentration of the aqueous ammonia is improved, and the circulation is repeated until the aqueous ammonia with qualified concentration is prepared.
Example 3:
a production device of an atmospheric pollution treatment medicament comprises a body 1, a liquid distributor, a gas distributor 6, an ammonia water tank 7, a heat exchanger 8 and a return pipe 9; the liquid distributor is arranged above the body 1, and an inlet of the liquid distributor is connected with a liquid ammonia input pipe outside the body 1; the gas distributor 6 is arranged in the middle of the body 1, and the inlet of the gas distributor is connected with an ammonia gas input pipe outside the body 1; the ammonia water tank 7 is provided with the bottom of the body 1; the heat exchanger 8 is arranged in the ammonia water tank 7, and the inlet and the outlet of the heat exchanger 8 are communicated with an external cooling water pipeline; one end of the return pipe 9 is connected with the ammonia water tank 7, and the other end is connected with the inlet of the liquid distributor; and a circulating pump 10 is arranged on the return pipe 9. The heat exchanger 8 is a coil type heat exchanger 8. The outside cooling water absorbs the heat in the ammonia water tank through the coil type heat exchanger, so that the temperature in the ammonia water tank is effectively reduced, and the ammonia gas absorption capacity is improved.
The liquid distributor comprises two layers of spray pipes connected in parallel and a layer of sieve plate 3; spray heads are uniformly distributed on each layer of spray pipes, the spray heads of the upper layer of spray pipes 2 spray downwards, and the spray heads of the lower layer of spray pipes 5 spray upwards; the sieve plate 3 is arranged between the two layers of spray pipes. The lower spray pipe 5 sprays liquid upwards to collide with the liquid sprayed downwards by the upper spray pipe 2, so that the turbulence phenomenon of the liquid is enhanced, and the gas is favorably and fully mixed; the sieve plate 3 coalesces and rectifies the liquid sprayed by the two layers of spray pipes, so that the liquid stagnation time and path are prolonged, the area of contact with gas is enlarged, and the mixing is uniform and sufficient.
The sieve plate 3 is connected with a circular plate 4 in series. The liquid sprayed by the two layers of spray pipes is dripped and hung on the surface of the circular plate 4, and the stagnation time and the path of the liquid are further prolonged.
The top of the gas distributor 6 is umbrella-shaped, and the surface of the umbrella-shaped is evenly provided with gas outlets. The input ammonia gas is uniformly distributed in the body through the gas distributor 6, which is helpful for enlarging the gas-liquid contact area, so that the gas is completely absorbed.
Liquid ammonia enters the body through the liquid distributor, and is settled in the ammonia water tank 7, ammonia enters the body 1 through the gas distributor 6, a part of ammonia is absorbed by ammonia water in the ammonia water tank 7, the other part of ammonia escapes upwards and is mixed with the liquid ammonia sprayed by the liquid distributor, and then is settled in the ammonia water tank 7, cooling water from the outside absorbs heat in the ammonia water tank through the heat exchanger 8, the temperature of the ammonia water is reduced, and the ammonia water and the ammonia gas are promoted to react; the circulating pump 10 flows back the aqueous ammonia in the ammonia water tank to the top of the body 1, and enters the body 1 through the liquid distributor to be contacted and reacted with ammonia again, so that the concentration of the aqueous ammonia is improved, and the circulation is repeated until the aqueous ammonia with qualified concentration is prepared.
Claims (5)
1. The utility model provides a production facility of agent is administered in atmospheric pollution, includes body (1), its characterized in that: the device also comprises a liquid distributor, a gas distributor (6), an ammonia water tank (7), a heat exchanger (8) and a return pipe (9); the liquid distributor is arranged above the body (1), and an inlet of the liquid distributor is connected with a liquid ammonia input pipe outside the body (1); the gas distributor (6) is arranged in the middle of the body (1), and the inlet of the gas distributor is connected with an ammonia gas input pipe outside the body (1); the ammonia water tank (7) is provided with the bottom of the body (1); the heat exchanger (8) is arranged in the ammonia water tank (7), and the inlet and the outlet of the heat exchanger (8) are communicated with an external cooling water pipeline; one end of the return pipe (9) is connected with the ammonia water tank (7), and the other end is connected with the inlet of the liquid distributor; and a circulating pump (10) is arranged on the return pipe (9).
2. The production equipment of the atmospheric pollution abatement agent of claim 1, characterized in that: the liquid distributor comprises two layers of spray pipes connected in parallel and a layer of sieve plate (3); spray heads are uniformly distributed on each layer of spray pipes, the spray heads of the upper layer of spray pipes (2) spray downwards, and the spray heads of the lower layer of spray pipes (5) spray upwards; the sieve plate (3) is arranged between the two layers of spray pipes.
3. The production equipment of the atmospheric pollution abatement agent of claim 2, characterized in that: the sieve plate (3) is connected with a circular plate (4) in series.
4. The production equipment of the atmospheric pollution abatement agent of claim 1, characterized in that: the top of the gas distributor (6) is umbrella-shaped, and the surface of the umbrella-shaped is uniformly provided with gas outlets.
5. The production equipment of the atmospheric pollution abatement agent of claim 1, characterized in that: the heat exchanger (8) is a coil type heat exchanger (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020626460.6U CN212701405U (en) | 2020-04-23 | 2020-04-23 | Production equipment of air pollution treatment medicament |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020626460.6U CN212701405U (en) | 2020-04-23 | 2020-04-23 | Production equipment of air pollution treatment medicament |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212701405U true CN212701405U (en) | 2021-03-16 |
Family
ID=74944892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020626460.6U Active CN212701405U (en) | 2020-04-23 | 2020-04-23 | Production equipment of air pollution treatment medicament |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212701405U (en) |
-
2020
- 2020-04-23 CN CN202020626460.6U patent/CN212701405U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104353336B (en) | A kind of low temperature purifying technique of coke oven stack gases and equipment thereof | |
| CN101863495B (en) | Equipment for efficiently preparing ammonia water from liquid ammonia and water | |
| CN107694293A (en) | A kind of hypergravity ammonia removal device and ammonia-removal method | |
| CN114225671B (en) | Nitrogen oxide tail gas treatment process | |
| CN103933848A (en) | Process and device for treating nitric oxide in tail gas generated in nitric acid and nitrate production | |
| CN111318154A (en) | Integration low temperature denitrification facility | |
| CN215251247U (en) | Copper dissolving system for electrolytic copper foil | |
| CN212701405U (en) | Production equipment of air pollution treatment medicament | |
| CN207745702U (en) | A kind of tail gas pickling tower prepared by H acid monosodium salt | |
| CN218047261U (en) | Chlorine absorption system | |
| CN210496445U (en) | Tower reactor for synthesizing glyoxylic acid | |
| CN215463139U (en) | Tail gas recovery device | |
| CN109381988A (en) | A kind of device preventing ammonia process desulfuration tower Crystallization Plugging | |
| CN110270297B (en) | Tower reactor for synthesizing glyoxylic acid | |
| CN208642290U (en) | Phosphine exhaust gas processing device | |
| CN205650069U (en) | Desulfurizing tower system with improve structure oxidation unit | |
| CN203244955U (en) | Circulating type gas-liquid distribution equipment | |
| CN208694661U (en) | Sintering flue gas plasma/urea method simultaneous SO_2 and NO removal system | |
| CN102805996B (en) | Purification treatment process and system for nitrogen oxide waste gas generated during preparation of catalyst for butadiene through oxidative dehydrogenation of butene | |
| CN201684534U (en) | Nitrated tail gas absorption apparatus | |
| CN205868168U (en) | Device is prepared fast to rare nitric acid | |
| CN221015331U (en) | Hydrogen bromide tail gas absorbing device | |
| CN218339413U (en) | System for preparing ammonium sulfate by ammonia stripping and absorption of ammonia-containing waste gas | |
| CN213725651U (en) | Ammonia removal device of hydrogen recovery system | |
| CN205145998U (en) | Aqueous ammonia preparation ware |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: Production equipment of air pollution control medicament Effective date of registration: 20220426 Granted publication date: 20210316 Pledgee: Nanning United Innovation Financing Guarantee Co.,Ltd. Pledgor: Guangxi Xiayang Environmental Protection Technology Co.,Ltd. Registration number: Y2022450000053 |
|
| 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: 20230530 Granted publication date: 20210316 Pledgee: Nanning United Innovation Financing Guarantee Co.,Ltd. Pledgor: Guangxi Xiayang Environmental Protection Technology Co.,Ltd. Registration number: Y2022450000053 |
|
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20240710 Granted publication date: 20210316 |