CN210552044U - Green concrete test block curing room - Google Patents
Green concrete test block curing room Download PDFInfo
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- CN210552044U CN210552044U CN201921044950.9U CN201921044950U CN210552044U CN 210552044 U CN210552044 U CN 210552044U CN 201921044950 U CN201921044950 U CN 201921044950U CN 210552044 U CN210552044 U CN 210552044U
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- 239000004567 concrete Substances 0.000 title claims abstract description 36
- 238000012360 testing method Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 101
- 238000001914 filtration Methods 0.000 claims abstract description 22
- 238000004321 preservation Methods 0.000 claims abstract description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000006004 Quartz sand Substances 0.000 claims abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 25
- 238000012423 maintenance Methods 0.000 claims description 22
- 239000011248 coating agent Substances 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 12
- 239000000945 filler Substances 0.000 claims description 9
- 238000005485 electric heating Methods 0.000 claims description 8
- 238000009423 ventilation Methods 0.000 claims description 6
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 239000011490 mineral wool Substances 0.000 claims description 4
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 4
- 239000011414 polymer cement Substances 0.000 claims description 4
- 239000003973 paint Substances 0.000 claims 1
- 239000002351 wastewater Substances 0.000 abstract description 8
- 238000009298 carbon filtering Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 10
- 239000004568 cement Substances 0.000 description 7
- 239000003595 mist Substances 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 238000006703 hydration reaction Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 238000000889 atomisation Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000036571 hydration Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000010358 mechanical oscillation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004574 high-performance concrete Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The utility model discloses a green concrete test block curing room, which comprises a curing room, a water storage tank and a humidifying tank, wherein the middle part of the inner bottom surface of the curing room is detachably connected with the humidifying tank, the inside of the curing room is provided with a heat preservation layer, the middle part of the inner bottom surface of the water storage tank is provided with a water pump, the upper surface of the water pump is communicated with the middle part of the bottom surface of the humidifying tank through a water pipe, the left side and the right side of the inner bottom surface of the curing room are both downwards inclined by 3 degrees, so that waste water can flow into a filtering structure, the filtering structure also comprises a shell, a filtering net, a quartz sand filtering layer, an active carbon filtering layer and a water storage tank, the top end of the inner wall of the shell is provided with the filtering net, the middle part of the inner wall of the shell is provided, stored in the water storage tank and finally led into the water storage tank through the return pipe to promote water circulation.
Description
Technical Field
The utility model relates to a concrete correlation technique field specifically is a green concrete test block curing room.
Background
The green concrete is a concrete material which can reduce the load on the earth environment, can be coordinated and symbiotic with a natural ecosystem and can construct a comfortable environment for human beings. With the continuous development of concrete technology and the use of high-performance concrete and additives, the attention degree of people on the performance of concrete materials is gradually improved, and a plurality of concrete performance test indexes are gradually known. Especially, the strength of concrete is a progressive process, the degree and speed of development of which depend on the hydration state of cement, and the temperature and humidity are important factors influencing the hydration speed and degree of cement. Therefore, after the concrete is formed, the proper temperature and sufficient humidity must be maintained for a certain period of time to fully hydrate the cement, which is the curing of the concrete. And water is a necessary condition for cement water maintenance, and cement hydration reaction can be smoothly carried out only when the humidity of the surrounding environment is proper, so that the strength of concrete is fully developed. The traditional standard curing room is unreasonable in structure and layout, and generally comprises a room with a cement wall surface, a curing frame and a spraying device, wherein a plurality of curing frames are uniformly distributed in the room, and a spraying water pipe of the spraying device is arranged on the roof above the curing frames. A large amount of power resources are wasted, the spraying effect is poor, the concrete test blocks of the upper layers can only be humidified and maintained, the wall surface of the cement can be damaged after being exposed in a humid environment for a long time, and meanwhile, electrical appliances outside a maintenance room are easily affected with damp and damaged, so that the maintenance cost is increased; at present, although the variety of concrete test block curing rooms is various, no better solution exists for the problem of waste water recovery generated in the curing process, so that waste water cannot be reused, and waste of water resources is caused. Therefore, we improve the above and propose a green concrete test block curing room to solve the above problems.
SUMMERY OF THE UTILITY MODEL
For solving the defect that prior art exists, the utility model provides a green concrete test block curing chamber.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to a green concrete test block curing room, which comprises a curing room, a water storage tank and a humidifying tank, wherein the middle part of the inner bottom surface of the curing room is detachably connected with the humidifying tank, the inside of the curing room is provided with a heat preservation layer, the right side of the front of the curing room is hinged with a curing door, the middle part of the inner bottom surface of the water storage tank is provided with a water pump, the upper surface of the water pump is communicated with the middle part of the bottom surface of the humidifying tank through a water pipe, the water pipe is provided with a solenoid valve, the left side and the right side of the inner bottom surface of the humidifying tank are both provided with electric heating pipes, the lower end of the inner wall of the left side of the humidifying tank is provided with a water level sensor, the middle part of the upper surface of the humidifying tank is provided, the lower end of the left side of the curing room is detachably connected with an air blower, and the upper end of the front left side of the curing room is provided with a PLC (programmable logic controller).
As an optimal technical scheme of the utility model, the heat preservation is 1 cm thick rock wool board, the heat preservation sets up to two sets of, and two sets of heat preservation inside packing have the dry filler, and the dry filler constitutes for the montmorillonite.
As an optimized technical scheme of the utility model, the maintenance room inner wall scribbles waterproof coating, and waterproof coating comprises polymer cement base waterproof coating.
As an optimized technical scheme of the utility model, four groups are installed to ultrasonic transducer, and four groups of ultrasonic transducer are BJC-D-HMPZT-type transducer.
As a preferred technical scheme of the utility model, the air-blower right side can be unpicked and washed and be connected with the air guide storehouse, the air guide storehouse right side is passed through ventilation pipe and humidification jar left side middle part intercommunication.
As a preferred technical scheme of the utility model, the equal downward sloping of the inside bottom surface left and right sides of maintenance room 3 degrees, and the inside bottom surface left and right sides of maintenance room all is provided with filtration.
As the utility model discloses a preferred technical scheme, filtration still includes casing, filter screen, quartz sand filter layer, active carbon filter layer and storage water tank, the filter screen is installed on shells inner wall top, shells inner wall middle part sets up to the quartz sand filter layer, the shells inner wall bottom is provided with the active carbon filter layer, the casing bottom can be unpicked and washed and be connected with the storage water tank.
As the utility model discloses a preferred technical scheme, the inside funnel formula cavity that is of casing, filter screen, quartz sand filter layer and activated carbon filter layer reserve 5 cm interval between adjacent, and the storage water tank bottom surface communicates with the water storage box through the back flow.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the heat preservation layer is arranged in the curing room of the green concrete test block curing room, the heat preservation layer is a rock wool board with the thickness of 1 cm, a good heat preservation effect is achieved, heat loss in the curing room is slowed down, the heat preservation layers are arranged into two groups, the two groups of heat preservation layers are filled with the dry fillers, and the dry fillers are composed of montmorillonite, so that a good moisture-proof effect can be achieved, and external electric appliances are prevented from being affected by damp and damaged; meanwhile, the inner wall of the curing room is coated with a waterproof coating, and the waterproof coating is composed of a polymer cement-based waterproof coating, so that the curing room is prevented from being damaged by humid air.
(2) The lower end of the front left side of the curing room of the green concrete test block curing room is provided with an ultrasonic generator, the bottom ends of the left side and the right side of a humidifying tank are respectively provided with four groups of ultrasonic transducers which are BJC-D-HMPZT-type transducers, the lower end of the left side of the curing room is detachably connected with an air blower, the right side of the air blower is detachably connected with an air guide bin, the right side of the air guide bin is communicated with the middle part of the left side of the humidifying tank through a ventilation pipe, an operator can open the ultrasonic generator through a PLC controller to send out ultrasonic waves, the ultrasonic waves are converted into mechanical oscillation through the ultrasonic transducers and transmitted to water in the humidifying tank, so that water mist is generated, at the moment, the PLC controller opens the air blower, the generated water mist is guided out from the ventilation hole after the transmission of the, low power consumption and good atomization and maintenance effects.
(3) The lower end of the inner wall of the left side of the humidifying tank of the green concrete test block curing room is provided with a water level sensor, the water level sensor can detect the water quantity in the humidifying tank and transmit an electric signal to the PLC, and if the water quantity is insufficient, the PLC can turn on the water pump and the electromagnetic valve so as to guide the water in the water storage tank into the humidifying tank through the water conveying pipe, so that automatic water supply is realized; simultaneously, a temperature and humidity sensor is installed on the right side of the upper surface inside the curing room, the temperature and the humidity inside the curing room can be detected through the temperature and humidity sensor, and data are transmitted to the PLC controller, if the temperature or the humidity do not meet the requirements, the PLC controller can adjust the power of the ultrasonic generator or control the heating temperature of the electric heating pipe, so that feedback adjustment is carried out, and the curing effect is further improved.
(4) The equal downward sloping of the inside bottom surface left and right sides of curing room of this kind of green concrete test block curing room 3 o, the waste water of being convenient for flows in filtration, and the inside bottom surface left and right sides of curing room all is provided with filtration, filtration still includes the casing, the filter screen, quartzy sand filter layer, active carbon filter layer and storage water tank, the filter screen is installed on the shells inner wall top, shells inner wall middle part sets up to quartzy sand filter layer, the shells inner wall bottom is provided with the active carbon filter layer, the casing bottom can be unpicked and washed and be connected with the storage water tank, through the filter screen, quartzy sand filter layer and active carbon filter layer three-layer filtering, can retrieve waste water, store in the storage water tank.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional view of the inside of the curing chamber of the present invention;
FIG. 3 is a sectional view of the inside of the water storage tank of the present invention;
fig. 4 is a sectional view of the interior of the humidification tank of the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 2;
fig. 6 is a schematic structural diagram of the filtering structure of the present invention.
In the figure: the maintenance system comprises a maintenance room 1, a heat preservation layer 2, a dry filler 3, a waterproof coating 4, a maintenance door 5, a water storage tank 6, a humidification tank 7, a water pump 8, a water delivery pipe 9, an electromagnetic valve 10, an electric heating pipe 11, a water level sensor 12, a vent hole 13, a temperature and humidity sensor 14, an ultrasonic generator 15, an ultrasonic transducer 16, an air blower 17, an air guide bin 18, a vent pipe 19, a filter structure 20, a shell 201, a filter screen 202, a quartz sand filter layer 203, an activated carbon filter layer 204, a water storage tank 205, a return pipe 21 and a PLC 22.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in figures 1, 2, 3, 4, 5 and 6, the utility model relates to a green concrete test block curing room, which comprises a curing room 1, a water storage tank 6 and a humidifying tank 7, wherein the humidifying tank 7 is detachably connected with the middle part of the inner bottom surface of the curing room 1, a heat preservation layer 2 is arranged in the curing room 1, a curing door 5 is hinged with the right front side of the curing room 1, a water pump 8 is arranged in the middle part of the inner bottom surface of the water storage tank 6, the water pump 8 is a CSP24120 type water pump, the water pump 8 is electrically connected with a PLC (programmable logic controller) 22 through a lead, the upper surface of the water pump 8 is communicated with the middle part of the bottom surface of the humidifying tank 7 through a water pipe 9, a solenoid valve 10 is arranged on the water pipe 9, the solenoid valve 10 is a TMF54-80HPX type solenoid valve, the solenoid valve 10 is electrically connected with the PLC 22 through a lead, electric heating pipes 11 are arranged, the water level sensor 12 is a JZ-SW type water level sensor 12, the water level sensor 12 is electrically connected with a PLC (programmable logic controller) 22 through a lead, the water level sensor 12 can detect the water quantity in the humidification tank 7 and transmit an electric signal to the PLC 22, if the water quantity is insufficient, the PLC 22 can turn on the water pump 8 and the electromagnetic valve 10, so that the water in the water storage tank 6 is guided into the humidification tank 7 through the water conveying pipe 9 to realize automatic water supply, the middle part of the upper surface of the humidification tank 7 is provided with a vent hole 13, the right side of the upper surface in the maintenance room 1 is provided with a temperature and humidity sensor 14, the temperature and humidity sensor 14 is an SHTC3 type temperature and humidity sensor, the temperature and humidity sensor 14 is electrically connected with the PLC 22 through a lead, the temperature and humidity in the maintenance room 1 can be detected through the temperature and humidity sensor 14, data can, the PLC controller 22 can adjust the power of the ultrasonic generator 15 or control the heating temperature of the electric heating pipe 11, so as to perform feedback adjustment, further improve the maintenance effect, the ultrasonic generator 15 is installed at the lower end of the left side of the front surface of the maintenance room 1, the ultrasonic generator 15 is an BJE-1500W type ultrasonic generator, the ultrasonic generator 15 is electrically connected with the PLC controller 22 through a lead, the ultrasonic transducers 16 are installed at the bottom ends of the left side and the right side of the humidification tank 7, an operator can open the ultrasonic generator 15 through the PLC controller 22 to send out ultrasonic waves, the ultrasonic waves are converted into mechanical vibration through the ultrasonic transducers 16 and transmitted to water in the humidification tank 7, so as to generate water mist, the lower end of the left side of the maintenance room 1 is detachably connected with the air blower 17, at the moment, the PLC controller 22 opens the air blower 17, the generated water mist is guided, the concrete test block is maintained, so that the power consumption is low, and the atomization maintenance effect is good; the PLC 22 is installed at the upper end of the left side of the front face of the curing room 1, the PLC 22 is an S7-200 type PLC, and the PLC 22 is electrically connected with an external power supply through a lead.
The heat preservation layer 2 is a rock wool board with the thickness of 1 cm, a good heat preservation effect is achieved, heat loss in the curing room is slowed down, the heat preservation layers 2 are arranged into two groups, the two groups of heat preservation layers 2 are filled with the drying filler 3, the drying filler 3 is composed of montmorillonite, a good moisture-proof effect can be achieved, and external electric appliances are prevented from being damaged due to moisture.
Wherein, the inner wall of the curing room 1 is coated with a waterproof coating 4, and the waterproof coating 4 is composed of a polymer cement-based waterproof coating, so that the curing room 1 is prevented from being damaged by humid air.
Wherein, four groups of ultrasonic transducers 16 are arranged, and the four groups of ultrasonic transducers 16 are all BJC-25100D-68HMPZT-4 type transducers.
Wherein, the right side of the blower 17 can be detached and washed and is connected with a wind guiding cabin 18, and the right side of the wind guiding cabin 18 is communicated with the middle part of the left side of the humidifying tank 7 through a ventilating pipe 19.
The left side and the right side of the bottom surface in the curing room 1 are both inclined downwards by 3 degrees, so that wastewater can flow into the filtering structures 20 conveniently, and the filtering structures 20 are arranged on the left side and the right side of the bottom surface in the curing room 1.
Wherein, filtration 20 still includes casing 201, filter screen 202, quartz sand filter layer 203, activated carbon filter layer 204 and storage water tank 205, filter screen 202 is installed on casing 201 inner wall top, casing 201 inner wall middle part sets up to quartz sand filter layer 203, casing 201 inner wall bottom is provided with activated carbon filter layer 204, casing 201 bottom can be unpicked and washed and be connected with storage water tank 205, through filter screen 202, quartz sand filter layer 203 and activated carbon filter layer 204 three-layer filtering, can retrieve waste water, store in storage water tank 205, and finally lead to water storage tank 6 through back flow 21, promote hydrologic cycle.
The inside of the shell 201 is a funnel-type cavity, 5 cm intervals are reserved between the adjacent filter screen 202, the quartz sand filter layer 203 and the activated carbon filter layer 204, and the bottom surface of the water storage tank 205 is communicated with the water storage tank 6 through the return pipe 21.
The working principle is as follows: firstly, the operator injects proper water into the water storage tank 6 through the filtering structure 20, then opens the curing door 5, and puts the green concrete test block into the curing room 1. When the device is used, an operator firstly turns on the electric heating pipe 11 through the PLC 22 to adjust the heating temperature, then turns on the ultrasonic generator 15 through the PLC 22 to send out ultrasonic waves, the ultrasonic waves are converted into mechanical oscillation through the ultrasonic transducer 16 and transmitted to water in the humidifying tank 7 so as to generate water mist, at the moment, the PLC 22 turns on the air blower 17, the generated water mist is guided out from the air vent 13 after being transmitted through the air guide bin 18 and the ventilation pipe 19, and thus the concrete test block is maintained; the water level sensor 12 can detect the water quantity in the humidification tank 7 and transmit an electric signal to the PLC 22, if the water quantity is insufficient, the PLC 22 can turn on the water pump 8 and the electromagnetic valve 10, so that the water in the water storage tank 6 is guided into the humidification tank 7 through the water pipe 9, and automatic water supply is realized; the temperature and humidity in the curing room 1 can be detected by the temperature and humidity sensor 14, and the data is transmitted to the PLC 22, if the temperature or the humidity do not meet the requirements, the PLC 22 adjusts the power of the ultrasonic generator 15 or controls the heating temperature of the electric heating pipe 11, so that feedback adjustment is performed, and the curing effect is further improved; the waste water generated in the curing process flows into the filtering structure 20, is filtered by the filtering net 202, the quartz sand filtering layer 203 and the activated carbon filtering layer 204, can be recycled and stored in the water storage tank 205, and is finally guided into the water storage tank 6 through the return pipe 21 to promote water circulation, which is the using method of the green concrete test block curing room, and the content which is not described in detail in the specification belongs to the prior art which is well known to the professional skilled in the art.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a green concrete test block curing room, includes curing room (1), water storage box (6) and humidification jar (7), its characterized in that: the maintenance room is characterized in that a humidifying tank (7) is detachably connected to the middle of the inner bottom surface of the maintenance room (1), a heat preservation layer (2) is arranged inside the maintenance room (1), a maintenance door (5) is hinged to the right side of the front surface of the maintenance room (1), a water pump (8) is installed in the middle of the inner bottom surface of the water storage tank (6), the upper surface of the water pump (8) is communicated with the middle of the bottom surface of the humidifying tank (7) through a water pipe (9), a solenoid valve (10) is installed on the water pipe (9), electric heating pipes (11) are installed on the left side and the right side of the inner bottom surface of the humidifying tank (7), a water level sensor (12) is arranged at the lower end of the left inner wall of the humidifying tank (7), a ventilation hole (13) is formed in the middle of the upper surface of the interior of the maintenance room (1), a, ultrasonic transducer (16) are all installed to humidification jar (7) left and right sides bottom, curing room (1) left side lower extreme can be dismantled and is connected with air-blower (17), PLC controller (22) are installed to curing room (1) front left side upper end.
2. The green concrete test block curing room of claim 1, wherein: the heat preservation layers (2) are rock wool boards with the thickness of 1 cm, the heat preservation layers (2) are arranged into two groups, the two groups of heat preservation layers (2) are filled with drying fillers (3), and the drying fillers (3) are composed of montmorillonite.
3. The green concrete test block curing room of claim 1, wherein: the inner wall of the curing room (1) is coated with a waterproof coating (4), and the waterproof coating (4) is composed of polymer cement-based waterproof paint.
4. The green concrete test block curing room of claim 1, wherein: four groups of ultrasonic transducers (16) are arranged, and the four groups of ultrasonic transducers (16) are all BJC-25100D-68HMPZT-4 type transducers.
5. The green concrete test block curing room of claim 1, wherein: the right side of the air blower (17) can be detached and washed to be connected with an air guide bin (18), and the right side of the air guide bin (18) is communicated with the middle of the left side of the humidifying tank (7) through a ventilation pipe (19).
6. The green concrete test block curing room of claim 1, wherein: the left side and the right side of the bottom surface in the curing room (1) are both inclined downwards by 3 degrees, and the left side and the right side of the bottom surface in the curing room (1) are both provided with filtering structures (20).
7. The green concrete test block curing room of claim 6, wherein: filtration (20) still include casing (201), filter screen (202), quartz sand filter layer (203), activated carbon filter layer (204) and storage water tank (205), filter screen (202) are installed on casing (201) inner wall top, casing (201) inner wall middle part sets up to quartz sand filter layer (203), casing (201) inner wall bottom is provided with activated carbon filter layer (204), casing (201) bottom can be unpicked and washed and be connected with storage water tank (205).
8. The green concrete test block curing room of claim 7, wherein: the inside of the shell (201) is a funnel-type cavity, the adjacent filter screen (202), the quartz sand filter layer (203) and the activated carbon filter layer (204) are reserved with 5 cm intervals, and the bottom surface of the water storage tank (205) is communicated with the water storage tank (6) through a return pipe (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921044950.9U CN210552044U (en) | 2019-07-05 | 2019-07-05 | Green concrete test block curing room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921044950.9U CN210552044U (en) | 2019-07-05 | 2019-07-05 | Green concrete test block curing room |
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| Publication Number | Publication Date |
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| CN210552044U true CN210552044U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921044950.9U Expired - Fee Related CN210552044U (en) | 2019-07-05 | 2019-07-05 | Green concrete test block curing room |
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| CN (1) | CN210552044U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114454317A (en) * | 2022-02-21 | 2022-05-10 | 山东联海建筑科技股份有限公司 | Maintenance system of precast concrete component |
| CN115305660A (en) * | 2022-08-15 | 2022-11-08 | 苏州银锦阻燃新材料有限公司 | Weaving cloth production is with humidification treatment device that can eliminate static |
-
2019
- 2019-07-05 CN CN201921044950.9U patent/CN210552044U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114454317A (en) * | 2022-02-21 | 2022-05-10 | 山东联海建筑科技股份有限公司 | Maintenance system of precast concrete component |
| CN115305660A (en) * | 2022-08-15 | 2022-11-08 | 苏州银锦阻燃新材料有限公司 | Weaving cloth production is with humidification treatment device that can eliminate static |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200519 |
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| CF01 | Termination of patent right due to non-payment of annual fee |