CN213624382U - Phosphorization device for producing pavement prestress special material - Google Patents

Phosphorization device for producing pavement prestress special material Download PDF

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Publication number
CN213624382U
CN213624382U CN202021597348.0U CN202021597348U CN213624382U CN 213624382 U CN213624382 U CN 213624382U CN 202021597348 U CN202021597348 U CN 202021597348U CN 213624382 U CN213624382 U CN 213624382U
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box body
pipe
steel wire
box
fixedly connected
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CN202021597348.0U
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Chinese (zh)
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郝奇
刘东晓
冉晓勇
张建东
徐世法
潘龙江
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Weihai Yinxing Prestressed Wire Products Co ltd
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Weihai Yinxing Prestressed Wire Products Co ltd
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Abstract

The utility model provides a road surface pavement prestressing force special material production is with phosphorization device, includes the box, and first groove that passes is seted up respectively to the both sides of box, and the upper portion of the outside both sides of box is one side of two first backup pads that are parallel to each other of fixed connection respectively, and the bottom surface that is located the first backup pad of top is fixed connection electric putter's upper end respectively, and the bottom fixed mounting several tubule of outlet pipe periphery, tubule are located corresponding gyro wheel top. The utility model discloses through the pinch roller when using, first pivot, first sprocket, the second pivot, the second sprocket, the chain, the clearance impurity can be polished to the steel wire surface to mutually supporting between emery wheel isotructure, improve the area of contact of steel wire and phosphating solution, through the first pump body, the inlet tube, the outlet pipe, the tubule, the mode of paining is adopted to carry out phosphating treatment to the steel wire surface to mutually supporting between the sponge isotructure, the quantity of phosphating solution has been reduced, it is extravagant to have avoided a large amount of phosphating solutions because of the spraying leads to, save raw materials.

Description

Phosphorization device for producing pavement prestress special material
Technical Field
The utility model belongs to the bonderizing field, specifically speaking are bonderizing device is used in production of pavement prestress special material.
Background
Prestressed wire wide application in road surface pavement, building fields such as bridge floor laying, in the prestressed wire course of working, need carry out bonderizing to the surface of steel wire, with form the anti-oxidant film on the steel wire surface, improve the corrosion resistance of prestressed wire, current adoption bonderizing liquid is handled and is adopted the method that sprays usually to handle, because the volume of spraying is great during the spraying, a large amount of unreacted bonderizing liquid can directly flow out and become the waste liquid, cause a large amount of wastes of resource, the steel wire can be corroded by the moisture in the air when depositing and form the iron rust, the iron rust can influence the area of contact of steel wire and bonderizing liquid, it is poor to cause the bonderizing effect.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pavement laying prestressing force is phosphorization device for special material production for solve the defect among the prior art.
The utility model discloses a following technical scheme realizes:
a phosphorization device for producing pavement prestress special materials comprises a box body, wherein first through grooves are respectively formed in two sides of the box body, the upper parts of two sides outside the box body are respectively fixedly connected with one side of two first supporting plates which are parallel to each other, the bottom surface of the first supporting plate positioned above is respectively fixedly connected with the upper end of an electric push rod, the top surface of the first supporting plate positioned below is respectively fixedly connected with the lower end of a long rod, the lower end of the electric push rod and the upper end of the long rod are respectively and fixedly provided with a U-shaped frame, the back surface of the inner wall of the U-shaped frame is respectively and rotatably connected with the rear end of a first rotating shaft through a bearing, the front end of the first rotating shaft penetrates through the front surface of the corresponding U-shaped frame, clamping wheels are respectively and fixedly arranged on the peripheries of the first rotating shafts, annular grooves are respectively arranged on the peripheries of the clamping wheels, the inner sides of the two U-shaped frames positioned on one side of the, the middle part of the periphery of the second rotating shaft is respectively fixedly provided with a polishing wheel, the periphery of the polishing wheel is provided with steel wire brush hair, the front ends of two first rotating shafts positioned at the same side are respectively fixedly provided with a first chain wheel, the front ends of the second rotating shafts are respectively fixedly provided with a second chain wheel, the first chain wheels are connected with the corresponding second chain wheels through chains, one side in the box body is provided with a baffle plate, one side of the baffle plate is provided with a second through groove, a first filter screen is fixedly arranged in the second through groove, the upper part of one side of the baffle plate is fixedly connected with one side of a strip-shaped plate, a transverse plate is arranged above the strip-shaped plate, one side of the bottom surface of the transverse plate is fixedly connected with the top surface of an L-shaped plate vertical plate, one side of the L-shaped plate transverse plate is fixedly connected with one side of a U-shaped frame above the other side, the top surface of, the first pump body of one side fixed mounting of box top surface, the one end of the water inlet fixed connection inlet tube of the first pump body, the one end of the delivery port fixed connection outlet pipe of the first pump body, the other end of outlet pipe run through the top surface of box, the other end of outlet pipe is located the bottom surface of diaphragm and fixed connection with it, the bottom fixed mounting several tubule of outlet pipe periphery, the tubule is located corresponding gyro wheel top.
According to the phosphating device for producing the pavement prestress special material, the liquid discharge pipe is fixedly installed on one side of the bottom surface of the box body, the valve is arranged at the upper part of the liquid discharge pipe, and the second filter screen is fixedly installed in the opening at the upper end of the liquid discharge pipe.
According to the phosphorization device for producing the pavement prestress special material, the lower part of one side of the box body is provided with the third through groove, and the sealing door is hinged in the third through groove.
The phosphorization device for producing the pavement prestress special material is characterized in that a second pump body is fixedly installed on one side of the top surface of the strip-shaped plate, one end of a water suction pipe is fixedly installed at a water inlet of the second pump body, the other end of the water suction pipe is located on one side of the bottom in the box body, one end of a liquid outlet pipe is fixedly installed at a water outlet of the water suction pipe, a spray head is fixedly installed at the other end of the liquid outlet pipe, and the liquid outlet pipe is fixedly connected with one side of the top surface of the inner wall of the box body through.
According to the phosphorization device for producing the pavement prestress special material, the liquid storage tank is fixedly installed on one side of the top surface of the box body, the feeding pipe is fixedly installed on the upper portion of one side of the liquid storage tank, and the other end of the water inlet pipe is fixedly connected with the lower portion of one side of the liquid storage tank.
According to the phosphating device for producing the pavement prestress special material, the bottom surface of the box body is fixedly provided with the base through the connecting rod.
The utility model has the advantages that: when the utility model is used, the first pump body is electrified to work, the first pump body conveys phosphating solution to corresponding sponge through a water inlet pipe, a water outlet pipe and a tubule, the sponge absorbs the phosphating solution and falls down onto the sponge below, the electric push rod contracts simultaneously after one minute, the electric push rod drives the corresponding clamping wheel to move upwards through the U-shaped frame, then the steel wire passes through the first through groove on the left side to enter the box body and penetrates out of the first through groove on the right side, the steel wire is in contact fit with the corresponding groove on the lower side, then the electric push rod extends to enable the corresponding clamping wheel to clamp the steel wire, the groove can prevent the steel wire from dislocation, when the clamping wheel clamps the steel wire, the brush hair and the sponge on the periphery of the grinding wheel are in contact fit with the steel wire, when the steel wire moves from left to right (the movement of the steel wire is pulled on the right side by the traction device, the traction device can use a traction machine in the, the steel wire drives the corresponding clamping wheel to rotate under the action of friction force, the clamping wheel drives the corresponding polishing wheel to rotate through the first rotating shaft, the first chain wheel, the second rotating shaft, the second chain wheel and the chain, and the diameter of the clamping wheel is larger than that of the first chain wheel and larger than that of the second chain wheel, so that the linear velocity of the clamping wheel is larger than that of the first chain wheel and larger than that of the second chain wheel, namely the rotating speed of the polishing wheel is smaller than the moving speed of the steel wire, the polishing wheel and the steel wire slide relatively, iron rust and impurities on the surface of the steel wire are cleaned, and when the steel wire is in contact with the sponge, the sponge has certain elasticity, the sponge deforms under the extrusion of the steel wire to wrap the steel wire, and phosphating solution in the sponge is extruded and smeared on the periphery of the steel; when the utility model is used, the surfaces of the steel wires can be polished to clean impurities through the mutual matching of the clamping wheel, the first rotating shaft, the first chain wheel, the second rotating shaft, the second chain wheel, the chain, the polishing wheel and other structures, the contact area of the steel wires and the phosphating solution is improved, the surfaces of the steel wires form uniform oxidation films, and the phosphating effect is improved; adopt the mode of paining to carry out bonderizing to the steel wire surface through mutually supporting between the first pump body, inlet tube, outlet pipe, tubule, sponge isotructure, reduced the quantity of phosphating solution, avoided extravagant because of the a large amount of phosphating solutions that the spraying leads to, save raw materials.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of the present invention; FIG. 2 is a view in the direction A of FIG. 1; FIG. 3 is an enlarged view of section I of FIG. 1; fig. 4 is a partial enlarged view of ii of fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
A phosphorization device for producing pavement prestress special materials comprises a box body 1, wherein first through grooves 2 are respectively arranged at two sides of the box body 1, the upper parts of two sides of the outer part of the box body 1 are respectively fixedly connected with one side of two first supporting plates 3 which are parallel to each other, the first through grooves 2 are positioned between the two corresponding first supporting plates 3, the bottom surfaces of the first supporting plates 3 positioned above are respectively and fixedly connected with the upper ends of electric push rods 4, the top surfaces of the first supporting plates 3 positioned below are respectively and fixedly connected with the lower ends of long rods 5, the axial lines of the electric push rods 4 positioned at the same side of the box body 1 and the axial lines of the long rods 5 are collinear, U-shaped frames 6 are respectively and fixedly arranged at the lower ends of the electric push rods 4 and the upper ends of the long rods 5, the openings of the U-shaped frames 6 positioned at the same side of the box body 1 are opposite, the back surfaces of the inner walls of the U-shaped frames 6 are respectively and rotatably connected with the back, the periphery of the first rotating shaft 7 is fixedly provided with clamping wheels 8, the clamping wheels 8 are positioned in the corresponding U-shaped frames 6, the periphery of each clamping wheel 8 is provided with an annular groove 9, the inner sides of the two U-shaped frames 6 positioned on one side of the box body 1 are fixedly connected with one side of a second supporting plate 10 respectively, the opposite sides of the second supporting plates 10 are rotatably provided with second rotating shafts 11 through brackets respectively, the middle parts of the peripheries of the second rotating shafts 11 are fixedly provided with polishing wheels 12 respectively, the top surfaces of the peripheries of the polishing wheels 12 are flush with the corresponding grooves 9, the peripheries of the polishing wheels 12 are provided with steel wire bristles, the front ends of the two first rotating shafts 7 positioned on the same side are fixedly provided with first chain wheels 36 respectively, the front ends of the second rotating shafts 11 are fixedly provided with second chain wheels 37 respectively, the diameter of each clamping wheel 8 is larger than the diameter of the first chain wheels 36 and larger than the diameter of the second chain wheels 37, the first chain wheels 36 are connected, a partition plate 13 is arranged on one side in the box body 1, the bottom surface of the partition plate 13 is fixedly connected with the bottom surface of the inner wall of the box body 1, the front surface and the back surface of the partition plate 13 are respectively fixedly connected with one side corresponding to the inner wall of the box body 1, the bottom of the inner wall of the box body 1 is divided into a left cabin and a right cabin by the partition plate 13, a second through groove 14 is formed in one side of the partition plate 13, a first filter screen 15 is fixedly arranged in the second through groove 14, the upper part of one side of the partition plate 13 is fixedly connected with one side of a strip-shaped plate 16, the longitudinal length of the strip-shaped plate 16 is smaller than that of the box body 1, a transverse plate 17 is arranged above the strip-shaped plate 16, one side of the bottom surface of the transverse plate 17 is fixedly connected with the top surface of a vertical plate of an L-shaped plate 19, one side of the transverse plate of the L-, the periphery of gyro wheel 39 has covered sponge 18 respectively, the inboard periphery fixed connection with corresponding gyro wheel 39 of sponge 18, the gyro wheel 39 that is located the top sets up with gyro wheel 39 that is located the below relatively, the first pump body 20 of one side fixed mounting of box 1 top surface, the first pump body 20 is connected with power supply circuit, the one end of the water inlet fixed connection inlet tube 21 of the first pump body 20, the delivery port fixed connection outlet pipe 22's of the first pump body 20 one end, outlet pipe 22 is the hose, the other end of outlet pipe 22 runs through the top surface of box 1, the other end of outlet pipe 22 is located the bottom surface of diaphragm 17 and fixed connection with it, the bottom fixed mounting several tubule 23 of outlet pipe 22 periphery, tubule 23 is located the corresponding gyro wheel 39 top tubule outflow liquid can directly flow to sponge 18 on. When the utility model is used, firstly, the first pump body 20 is electrified to work, the first pump body 20 conveys phosphating solution to the corresponding sponge 18 through the water inlet pipe 21, the water outlet pipe 22 and the thin pipe 23, the sponge 18 absorbs the phosphating solution and then falls to the sponge 18 below downwards after saturation, the electric push rod 4 contracts simultaneously after one minute, the electric push rod 4 drives the corresponding clamping wheel to move upwards through the U-shaped frame 6, then the steel wire passes through the left first through groove 2 to enter the box body 1 and passes out through the right first through groove 2, the steel wire is in contact fit with the corresponding groove 9 below, then the electric push rod 4 extends to enable the corresponding clamping wheel 8 to clamp the steel wire, the groove 9 can prevent the steel wire from dislocation, when the clamping wheel 8 clamps the steel wire, the brush hair at the periphery of the grinding wheel 12 and the sponge 18 are in contact fit with the steel wire, when the steel wire moves from left to right (the movement of the steel wire is pulled at the right side by the traction device, the traction device can use a traction machine in the prior art), the steel wire drives the corresponding clamping wheel 8 to rotate under the action of friction force, the clamping wheel 8 drives the corresponding grinding wheel 12 to rotate through the first rotating shaft 7, the first chain wheel 36, the second rotating shaft 11, the second chain wheel 37 and the chain 38, since the diameter of the pinch wheel 8 > the diameter of the first sprocket 36 > the diameter of the second sprocket 37, the linear velocity of the pinch wheel 8 > the linear velocity of the first sprocket 36 > the linear velocity of the second sprocket 37, namely, the rotating speed of the grinding wheel 12 is less than the moving speed of the steel wire, the grinding wheel 12 and the steel wire slide relatively, thereby cleaning the rust and impurities on the surface of the steel wire, when the steel wire is contacted with the sponge 18, because the sponge has certain elasticity, the sponge 18 deforms under the extrusion of the steel wire to wrap the steel wire, and the phosphating solution in the sponge is extruded and smeared on the periphery of the steel wire; when the utility model is used, the surfaces of the steel wires can be polished to clean impurities through the mutual matching of the structures such as the clamping wheel 8, the first rotating shaft 7, the first chain wheel 36, the second rotating shaft 11, the second chain wheel 37, the chain 38, the polishing wheel 12 and the like, the contact area of the steel wires and the phosphating solution is improved, the surfaces of the steel wires form uniform oxidation films, and the phosphating effect is improved; adopt the mode of paining to carry out bonderizing to the steel wire surface through mutually supporting between the first pump body 20, inlet tube 21, outlet pipe 22, tubule 23, sponge 18 isotructure, reduced the quantity of phosphating solution, avoided extravagant because of the a large amount of phosphating solutions that the spraying leads to, save raw materials.
Specifically, as shown in fig. 1, a drain pipe 24 is fixedly installed on one side of the bottom surface of the box 1, a valve 25 is installed on the upper portion of the drain pipe 24, the upper end of the drain pipe 24 is communicated with the left chamber inside the box 1, and a second filter screen 26 is fixedly installed in an opening on the upper end of the drain pipe 24. The utility model discloses can produce a large amount of waste liquids when carrying out bonderizing to the steel wire, use and close valve 25, open valve 25 when needs are with waste liquid discharge and discharge waste liquid by fluid-discharge tube 24, the person's of facilitating the use's use.
Specifically, as shown in fig. 1, a third through groove 27 is formed in a lower portion of one side of the box body in the embodiment, the third through groove 27 and the grinding wheel 12 are located on the same side, a sealing door 28 is hinged in the third through groove 27, and a handle is disposed on an outer side of the sealing door 28. The user can open the sealing door 28 and clear up the residue and the filtrand in the box 1 through the third through groove 27, and the user can clean the box 1 conveniently.
Further, as shown in fig. 1, in this embodiment, a second pump body 29 is fixedly installed on one side of the top surface of the strip-shaped plate 16, the second pump body 29 is connected with a power circuit, one end of a water suction pipe 30 is fixedly installed at a water inlet of the second pump body 29, the other end of the water suction pipe 30 is located on one side of the bottom in the box body 1, one end of a liquid outlet pipe 31 is fixedly installed at a water outlet of the water suction pipe 30, a water outlet pipe 31 is located behind the material, a shower head 32 is fixedly installed at the other end of the liquid outlet pipe 31, and the liquid outlet pipe 31 is fixedly connected with one side of the. The utility model discloses bottom in box 1 can save the more waste liquid in the use, and the second pump body 29 can be through absorbing water pipe 30, drain pipe 31, shower head 32 spray the waste liquid by last to steel wire surface down, can wash the impurity on steel wire surface, avoids impurity to influence the bonderizing effect of steel wire, and the waste liquid is though also has certain oxidability for making used bonderizing liquid, consequently can play preliminary oxidized effect to the steel wire, further improves the effect of bonderizing.
Furthermore, as shown in fig. 1, a liquid storage tank 33 is fixedly installed on one side of the top surface of the box body 1, a feed pipe 34 is fixedly installed on the upper portion of one side of the liquid storage tank 33, the other end of the feed pipe 21 is fixedly connected with the lower portion of one side of the liquid storage tank 33, and the feed pipe 21 is communicated with the inside of the liquid storage tank 33. Liquid storage pot 33 can be for the utility model provides a corresponding bonderizing liquid, the user can use the bonderizing liquid of allotment in at first carrying liquid storage pot 33 through inlet pipe 34, adds again when the bonderizing liquid is not enough.
Further, as shown in fig. 1, the bottom surface of the case 1 according to the present embodiment is fixedly installed on a base 35 by a connecting rod. Base 35 can play the effect of support to box 1, improves the stability of box 1 when placing the bottom surface, improves the utility model discloses reliability during the practicality.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (6)

1. The utility model provides a road surface pavement prestressing force is phosphorization device for special material production, includes box (1), its characterized in that: first through grooves (2) are respectively formed in two sides of a box body (1), the upper portions of two outer sides of the box body (1) are respectively fixedly connected with one side of two first supporting plates (3) which are parallel to each other, the bottom surface of the first supporting plate (3) positioned above is respectively fixedly connected with the upper end of an electric push rod (4), the top surface of the first supporting plate (3) positioned below is respectively fixedly connected with the lower end of a long rod (5), the lower end of the electric push rod (4) and the upper end of the long rod (5) are respectively fixedly provided with a U-shaped frame (6), the back surface of the inner wall of the U-shaped frame (6) is respectively connected with the rear end of a first rotating shaft (7) through rotation of a bearing, the front end of the first rotating shaft (7) penetrates through the front surface of the corresponding U-shaped frame (6), clamping wheels (8) are respectively and fixedly arranged on the peripheries of the first rotating shaft (7), annular grooves (9) are respectively formed in the peripheries of the clamping wheels (8), and the inner sides of the two U- One side, the opposite side of the second supporting plate (10) is respectively provided with a second rotating shaft (11) through the rotation of a support, the middle part of the periphery of the second rotating shaft (11) is respectively and fixedly provided with a grinding wheel (12), the periphery of the grinding wheel (12) is provided with steel wire bristles, the front ends of two first rotating shafts (7) positioned at the same side are respectively and fixedly provided with a first chain wheel (36), the front end of the second rotating shaft (11) is respectively and fixedly provided with a second chain wheel (37), the first chain wheel (36) is connected with the corresponding second chain wheel (37) through a chain (38), one side in the box body (1) is provided with a partition plate (13), one side of the partition plate (13) is provided with a second through groove (14), a first filter screen (15) is fixedly arranged in the second through groove (14), the upper part of one side of the partition plate (13) is fixedly connected with one side of a strip-shaped plate (16), a transverse plate (17) is arranged above the strip-shaped plate (16), one, one side of a transverse plate of the L-shaped plate (19) is fixedly connected with one side of a U-shaped frame (6) above the other side, the top surface of the strip-shaped plate (16) and the bottom surface of the transverse plate (17) are respectively and fixedly provided with a plurality of rollers (39) through supports, the peripheries of the rollers (39) are respectively covered with sponges (18), the rollers (39) above and the rollers (39) below are arranged oppositely, one side of the top surface of the box body (1) is fixedly provided with a first pump body (20), a water inlet of the first pump body (20) is fixedly connected with one end of a water inlet pipe (21), a water outlet of the first pump body (20) is fixedly connected with one end of a water outlet pipe (22), the other end of the water outlet pipe (22) penetrates through the top surface of the box body (1), the other end of the water outlet pipe (22) is positioned on the bottom surface of the, the tubules (23) are located above the respective rollers (39).
2. The phosphating device for producing the pavement prestressed special material as claimed in claim 1, characterized in that: a liquid discharge pipe (24) is fixedly arranged on one side of the bottom surface of the box body (1), a valve (25) is arranged on the upper part of the liquid discharge pipe (24), and a second filter screen (26) is fixedly arranged in an opening at the upper end of the liquid discharge pipe (24).
3. The phosphating device for producing the pavement prestressed special material as claimed in claim 1, characterized in that: and a third through groove (27) is formed in the lower part of one side of the box body, and a sealing door (28) is hinged in the third through groove (27).
4. The phosphating device for producing the pavement prestressed special material as claimed in claim 1, characterized in that: one side fixed mounting second pump body (29) of lath (16) top surface, the one end of the water inlet fixed mounting suction pipe (30) of the second pump body (29), the other end that suction pipe (30) is located one side of bottom in box (1), the one end of the delivery port fixed mounting drain pipe (31) of suction pipe (30), the other end fixed mounting shower head (32) of drain pipe (31), one side fixed connection that drain pipe (31) pass through support and box (1) inner wall top surface.
5. The phosphating device for producing the pavement prestressed special material as claimed in claim 1, characterized in that: one side of the top surface of the box body (1) is fixedly provided with a liquid storage tank (33), the upper part of one side of the liquid storage tank (33) is fixedly provided with a feeding pipe (34), and the other end of the water inlet pipe (21) is fixedly connected with the lower part of one side of the liquid storage tank (33).
6. The phosphating device for producing the pavement prestressed special material as claimed in claim 1, characterized in that: the bottom surface of the box body (1) is fixedly provided with a base (35) through a connecting rod.
CN202021597348.0U 2020-08-05 2020-08-05 Phosphorization device for producing pavement prestress special material Active CN213624382U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021597348.0U CN213624382U (en) 2020-08-05 2020-08-05 Phosphorization device for producing pavement prestress special material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021597348.0U CN213624382U (en) 2020-08-05 2020-08-05 Phosphorization device for producing pavement prestress special material

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Publication Number Publication Date
CN213624382U true CN213624382U (en) 2021-07-06

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CN202021597348.0U Active CN213624382U (en) 2020-08-05 2020-08-05 Phosphorization device for producing pavement prestress special material

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113894665A (en) * 2021-09-07 2022-01-07 陈彦防 Anticorrosion treatment process for pipeline welding port for chemical sewage delivery

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113894665A (en) * 2021-09-07 2022-01-07 陈彦防 Anticorrosion treatment process for pipeline welding port for chemical sewage delivery

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