CN201722699U - Injection gun device for chemical grout water shutoff construction - Google Patents
Injection gun device for chemical grout water shutoff construction Download PDFInfo
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- CN201722699U CN201722699U CN201020264963XU CN201020264963U CN201722699U CN 201722699 U CN201722699 U CN 201722699U CN 201020264963X U CN201020264963X U CN 201020264963XU CN 201020264963 U CN201020264963 U CN 201020264963U CN 201722699 U CN201722699 U CN 201722699U
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Abstract
The utility model relates to a grout injection device, in particular to an injection gun device for chemical grout water shutoff construction. The injection gun device for chemical grout water shutoff construction solves the problem that the existing equipment can not solve the problems of water leakage and big water burst so as to cause high grout injection cost and long treatment time for later maintenance. The injection gun device comprises a pneumatic grout injection pump, a catalyst grout inlet pipe and a resin grout inlet pipe, wherein the catalyst grout inlet pipe and the resin grout inlet pipe are communicated with a stirrer, the outlet of the stirrer is communicated with a sealer, and the front end of the sealer is connected with a grout injection shock tunnel; the sealer comprises an inner-layer rubber pipe, an outer-layer pipe and a check valve, wherein a grout inlet gap is left between the inner-layer rubber pipe and the outer-layer pipe, one end of the grout inlet gap is in sealed structure, the other end is provided with a seal ring and a thin core sheet, and an injection pipe is added between the stirrer and the sealer. The utility model has high degree of automation, time and labor saving, high water shutoff speed, convenient use, simple structure, reasonable design, convenient operation and wide applicable range, fills the blank of the technical field and has good promotional value and use value.
Description
Technical field
The utility model relates to a kind of grouting device, is specially a kind of chemical grout plug water construction filling gun device.
Background technology
21st century is the centuries of people to underground space development and development, in underground engineering construction, people struggle with underground water, therefore, slip casting is the highest field of technology content in the underground engineering construction, and underground construction sealing expense accounts for project total cost more than 30%, and it is not only the technical guarantee that can engineering be built up smoothly, but also be operation stage to surrounding enviroment influential principal element whether, the underground construction security incident all is the misfortune that water is invited basically.The urban geology disaster more than 98% also construction grouting quality difference cause.At present, grouting and sealing technique mainly contains single cement paste, chemical grout, cement--water glass biliquid slurry, these technology are in practice of construction, all there is thoroughly shutoff, can not solve bigger water burst, cause the later period maintenance grouting cost higher, the improvement time is longer, even to engineering operation brings potential safety hazard, and the more important thing is on grouting equipment neither one automaticity height, control accurately, equipment that slip casting effect is good.Make a concrete analysis of as follows:
(1) cement list liquid slurry
Utilize the single fluid grouting pump that the cement paste that configures is injected the stratum in Grouting Pipe, fill crack in the stratum, thereby reduce the infiltration water yield.
Advantage: operation is single, simple to operate, has intensity height, good endurance, price is low and advantage such as nontoxic.
Shortcoming: the cement particle diameter is big, can only inject the crack greater than 0.2mm, because of being easy to suction precipitation poor stability, and the calculus volume contraction after the sclerosis, even produce the crack and constitute seepage, and dilution and can't water blockoff easily under big water burst condition.
(2) chemical grout
Chemical grout is representative with the monocomponent polyurethane, by the single fluid grouting pump polyurethane is annotated as the water burst mouth, and chance water expands at once and generates the macromolecule injecting paste material.
Advantage: simple to operate, reaction is fast.
Shortcoming: it is low to generate macromolecule intensity, and poor durability can not thoroughly solve infiltration, and stifled easily pump, causes the grouting pump life-span low.
(3) cement-sodium silicate double liquid
Exactly cement paste and finite concentration water glass are mixed into Grouting Pipe through the two fluid grouting machine in filling gun, solidify, reach the ejection for water plugging effect by reaction.
Advantage: operation is simple.
Shortcoming: generate the solidifying body poor durability, intensity is low, the calculus rate is low, the slip casting proportioning is complicated, and concentration of slurry is low not to reach slip casting effect, and slip casting concentration height causes Grouting Pipe to stop up.
Yet develop today in underground construction, strict to the construction grouting quality, most of underground constructions are the one-level waterproof, and various slip castings also do not have ripe construction technology at the underground construction water blockoff, the grouting equipment that does not yet have the relevant speciality science to be suitable for is not seen relevant bibliographical information yet.
Summary of the invention
All there is different separately shortcomings in the utility model in order to solve existing various grouting methods and equipment, and can't thoroughly solve seepy question, can not solve big water burst, cause the later period maintenance grouting cost higher, the problem that the improvement time is long provides a kind of chemical grout plug water construction filling gun device.
The utility model is to adopt following technical scheme to realize: chemical grout plug water construction filling gun device, comprise pneumatic grouting pump, catalyzer inlet pipe that links to each other with pneumatic grouting pump and resin inlet pipe, the slurry output end of catalyzer inlet pipe and resin inlet pipe all is communicated with the agitator that is built-in with screw blade, the mixed serum outlet and a sealer of agitator connect, the sealer front end is connected with the grouting tube of offering injected hole, described sealer comprises internal layer rubber tube and the outer rubber tube that connects together mutually and is installed in the non retern valve that sealer advances the slurry end, in, leave into slurry gap between outer rubber tube, advance to starch gap one end, and being positioned at sealer advances the slurry end and is closed structure, advance to starch the gap other end, and be positioned at the sealer slurry output end and be provided with sealing ring, the sealing ring outside is provided with the thin chip that the sealer slurry output end is airtight.
Adopt structure design of the present utility model, in order to solve this difficult problem of water shutoff before the slip casting, between agitator and grouting tube, be connected with sealer, before guaranteeing slip casting, water effluxes from the sealer extroversion, the design principle of sealer has non retern valve for advancing the slurry end, guarantee that slurries can only advance, can not go out that the other end is provided with sealing ring and thin chip, in guaranteeing that just having begun slurries enters by sealing ring, outer rubber tube enter to starch the gap, along with pressure increases and expands, guarantee between outer rubber tube and borehole wall water-tight, after arriving certain pressure, the thin chip airtight the sealer front end punctures, sealing ring shrinks, in slurries are got lodged in, outer rubber tube advance to starch in the gap, this moment grouting pressure bigger than hydraulic pressure, high flow rate liquid just enters grouting tube, guarantees the ejection for water plugging effect; Because this slip casting needs two liquid evenly to mix, before making two kinds of liquid enter the stratum, evenly mix this technical barrier, set up the agitator of a built-in screw type blade between inlet pipe and sealer, this agitator mainly utilizes spiral backflow principle that its two kinds of liquid are fully mixed; Pneumatic grouting pump is adopted in slip casting, and its main cause is, air sump pump is light, and is easy to use, and main is to provide higher grouting pressure by the air transformation energy, makes slurries have the property of notes.
In order further to optimize the structure of this filling gun device, improve its function, the utility model has also carried out following structure design:
On the described catalyzer inlet pipe first pressure-relief valve and flap valve are housed, second pressure-relief valve is housed on the resin inlet pipe, because reaction response speed piece, so the catalyzer inlet pipe must be provided with flap valve, and being convenient to stop slip casting time control controlling catalyst can not reflux; Two inlet pipes are respectively established a pressure-relief valve simultaneously, are convenient to get rid of the slip casting fault.
Set up injection-tube between described agitator and the sealer, the 3rd pressure-relief valve is housed on the injection-tube.Be flushed away this technical barrier in order to solve at big water burst place grouting serous fluid, between agitator and sealer, set up injection-tube, its purpose prolongs mixing material exactly and injects the floral tube time, reduce slurries reaction time in water, mixed liquor just begins expansion reaction after entering floral tube, guarantees the grouting for water blocking effect, sets up a pressure-relief valve simultaneously on injection-tube, be convenient to open it when slip casting finishes, guarantee that filling gun does not stop up.The length of described injection-tube can be determined according to the practice of construction needs.Slip casting is opened this pressure-relief valve after finishing immediately, earlier the catalyzer inlet pipe is closed simultaneously, continue to inject with the resin slurries, wash away from this pressure-relief valve remaining in the filling gun inner catalyst, like this, single liquid just can not be set in the filling gun, adopts waste used oil to inject the flushing grouting equipment at last.
Between described catalyzer inlet pipe, resin inlet pipe and the agitator, between agitator and the injection-tube, between injection-tube and the sealer and be flexible connection between sealer and the grouting tube.Not only guarantee to construct not spillage and convenient disassembly.
Technical essential of the present utility model is as follows:
(1) utilizes screw, realize that two kinds of slurries mix, guarantee that slip casting mixes by 1: 1 volume;
(2) utilization capsule formula sealing principle is made sealer, has solved in traditional slip casting, earlier with the pre-buried Grouting Pipe of expansive cement, and has realized that injection slurry can only advance, and can not go out, and has solved traditional construction slurry reflux and has stopped up shortcomings such as grouting pump;
(3) all joints adopt and flexibly connect, and establish and use sealing ring, have both guaranteed sealing effectiveness, guarantee convenient disassembly again;
(4) adopt injection-tube to prolong the slurry reaction time that mixes, guarantee to expand after slurries enter grouting tube chance water at once;
(5) before filling gun, establish a pressure-relief valve, guarantee that slip casting finishes after, in time liquid in the filling gun is got rid of rapidly, thereby has been prolonged grouting pump application life with used oil.
Compared with prior art, the utlity model has following advantage: this grouting for water blocking automaticity height, time saving and energy saving, water blockoff speed is fast, generally in seconds just can block big water burst, and the construction effect is tens times of commonsense method, even hundreds of times; This technology adopts pneumatic grouting pump, realizes the air pressure conversion, guarantees grouting pressure, and these slurries are entered in the crack of 0.01mm, guarantees the success of 100% water blockoff; Use this can mobile slip casting corollary equipment, prolonged the grouting equipment life-span, and easy to use, have only tens jin, conveniently moving; In a word, the utility model is simple in structure, reasonable in design, easy and simple to handle, applied widely, has filled up the blank of this technical field, has the excellent popularization value and use value.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is user mode figure of the present utility model;
Among the figure: the pneumatic grouting pump of 1-; 2-catalyzer inlet pipe; 3-resin inlet pipe; The 4-screw blade; The 5-agitator; The 6-injected hole; The 7-grouting tube; 8-internal layer rubber tube; The 9-outer rubber tube; The 10-non retern valve; 11-enters to starch the gap; The 12-sealer advances the slurry end; 13-sealer slurry output end; The 14-sealing ring; 15-approaches chip; 16-first pressure-relief valve; The 17-flap valve; 18-second pressure-relief valve; The 19-injection-tube; 20-the 3rd pressure-relief valve; 21-boring; 22-iron hoop circle.
The specific embodiment
Chemical grout plug water construction filling gun device, as shown in Figure 1, 2, comprise pneumatic grouting pump 1, the catalyzer inlet pipe 2 that links to each other with pneumatic grouting pump and resin inlet pipe 3, first pressure-relief valve 16 and flap valve 17 are housed on the catalyzer inlet pipe 2, second pressure-relief valve 18 is housed on the resin inlet pipe 3; The slurry output end of catalyzer inlet pipe 2 and resin inlet pipe 3 all is communicated with the agitator 5 that is built-in with screw blade 4, the mixed serum outlet and a sealer of agitator 5 connect, the sealer front end is connected with the grouting tube 7 of offering injected hole 6, set up injection-tube 19 between agitator 5 and the sealer, the 3rd pressure-relief valve 20 is housed on the injection-tube, sometimes in order to solve this technical barrier of the difficult shutoff water of big water burst slip casting, adopt two sealers to contact and increase the shutoff area, and sealer to be installed in leak the district back, so just guarantee slip casting shutoff water effect; Described sealer comprises internal layer rubber tube 8 and the outer rubber tube 9 that connects together mutually and is installed in the non retern valve 10 that sealer advances slurry end 12, leave into slurry gap 11 between inside and outside layer rubber tube, advance to starch gap 11 1 ends and be positioned at sealer to advance slurry end 12 and be closed structure, advance to starch gap 11 other ends and be positioned at sealer slurry output end 13 to be provided with sealing ring 14, the sealing ring outside is provided with the thin chip 15 that sealer slurry output end 13 is airtight.Between catalyzer inlet pipe 2, resin inlet pipe 3 and the agitator 5, between agitator 5 and the injection-tube 19, between injection-tube 19 and the sealer and be flexible connection between sealer and the grouting tube 7, its connected mode can adopt existing multiple structure to realize, for example agitator can adopt the bolt-type joint to be connected with injection-tube, sealer two ends and injection-tube, grouting tube can adopt screwed connection, the junction reinforces with iron hoop circle 22 simultaneously, and sealing mat is adopted in the joint.
During use, because this device grouting pressure is big, slurry is gone here and there in large tracts of land water burst district easily, therefore, adopts and beats what a hole, carries out slip casting immediately, annotate good after, continuing punching, if, find to go here and there and starch, clog with cotton yarn, just can guarantee that this place's leaking hole blocks several seconds.And grouting sequence is from the superficial to the deep, grouting sequence from outside to inside, guarantees the ejection for water plugging effect.
In order to further specify effect of the present utility model, the applicant enumerates following case history:
Be used for wide Shenzhen and Hong Kong Line for Passenger Transportation lion ocean shield tunnel and the leak stopping of service channel joint part water burst with this grouting device, tunnel, lion ocean is totally 23 service channels, wherein there are 18 to be positioned at zone of fracture stratum at the bottom of the river, water yield is big, maximum hydraulic pressure reaches 1.2MPa, and wherein 2# service channel section of jurisdiction reaches 360m with excavation joint part thigh shape water
3/ h adopts this technology, and strictness is annotated a hole scheme by making a call to a hole, and every hole only need be less than 10 seconds, and injection speed is fast, gets instant result, and slip casting diffusion radius reaches 5 meters, and the slip casting porous has guaranteed the grouting for water blocking effect to the 0.01mm crack.Essentially no infiltration after the slip casting, water plugging rate 100%.And front and back carry out tens slip casting altogether, and the plugging phenomenon does not all take place.Prove this advanced technology, filling gun design science is reasonable.
This technology slip casting effect is good, particularly big underground construction to water yield, one is stifled all right, and the macromolecule solidifying body intensity height of its generation, adhesion stress is big, is generalized to specially other zone of fracture tunnels of same visitor by wide Shenzhen and Hong Kong company, intensity just reached more than the 50MPa when slip casting finished, bonding force is bigger between broken body, after slip casting is intact, just can excavate immediately.Facts have proved, this technical scheme advanced person, the effect height, cost is low, has filled up the blank of grouting for water plugging construction technology.
Claims (4)
1. chemical grout plug water construction filling gun device, it is characterized in that comprising pneumatic grouting pump (1), catalyzer inlet pipe (2) that links to each other with pneumatic grouting pump and resin inlet pipe (3), the slurry output end of catalyzer inlet pipe (2) and resin inlet pipe (3) all is communicated with the agitator that is built-in with screw blade (4) (5), the mixed serum outlet and a sealer of agitator (5) connect, the sealer front end is connected with the grouting tube (7) of offering injected hole (6), described sealer comprises internal layer rubber tube (8) and the outer rubber tube (9) that connects together mutually and is installed in the non retern valve (10) that sealer advances slurry end (12), in, leave into slurry gap (11) between outer rubber tube, advance to starch gap (11) one ends, and being positioned at sealer advances to starch to hold (12) to be closed structure, advance to starch gap (11) other end, and be positioned at sealer slurry output end (13) and be provided with sealing ring (14), the sealing ring outside is provided with the thin chip (15) that sealer slurry output end (13) is airtight.
2. chemical grout plug water construction filling gun device according to claim 1 is characterized in that first pressure-relief valve (16) and flap valve (17) are housed on the catalyzer inlet pipe (2), and second pressure-relief valve (18) is housed on the resin inlet pipe (3).
3. chemical grout plug water construction filling gun device according to claim 1 and 2 is characterized in that setting up injection-tube (19) between agitator (5) and the sealer, and the 3rd pressure-relief valve (20) is housed on the injection-tube.
4. chemical grout plug water construction filling gun device according to claim 3 is characterized in that between catalyzer inlet pipe (2), resin inlet pipe (3) and the agitator (5), between agitator (5) and the injection-tube (19), between injection-tube (19) and the sealer and be flexible connection between sealer and the grouting tube (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020264963XU CN201722699U (en) | 2010-07-17 | 2010-07-17 | Injection gun device for chemical grout water shutoff construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020264963XU CN201722699U (en) | 2010-07-17 | 2010-07-17 | Injection gun device for chemical grout water shutoff construction |
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| Publication Number | Publication Date |
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| CN201722699U true CN201722699U (en) | 2011-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201020264963XU Expired - Fee Related CN201722699U (en) | 2010-07-17 | 2010-07-17 | Injection gun device for chemical grout water shutoff construction |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500108A (en) * | 2014-12-11 | 2015-04-08 | 中铁十九局集团有限公司 | Method for treating tunnel base water return point |
| CN108952760A (en) * | 2018-06-27 | 2018-12-07 | 中国矿业大学 | A kind of intelligent circulation increasing-pressure-releasing type dynamic grouting system and method |
| CN108979590A (en) * | 2018-09-01 | 2018-12-11 | 安徽理工大学 | A kind of surface drilling to coal seam breaking roof grouting and reinforcing method and grouting device |
| CN110469136A (en) * | 2018-05-09 | 2019-11-19 | 京德立邦(北京)新材料科技有限公司 | Backpack regenerates waterproof construction method |
| CN113281222A (en) * | 2021-05-31 | 2021-08-20 | 济南城建集团有限公司 | Test device and method for testing initial setting time of double-slurry in shield construction |
| CN115791781A (en) * | 2022-12-06 | 2023-03-14 | 武汉大学 | Microfluidic flowing water grouting visual test system and test method |
-
2010
- 2010-07-17 CN CN201020264963XU patent/CN201722699U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500108A (en) * | 2014-12-11 | 2015-04-08 | 中铁十九局集团有限公司 | Method for treating tunnel base water return point |
| CN110469136A (en) * | 2018-05-09 | 2019-11-19 | 京德立邦(北京)新材料科技有限公司 | Backpack regenerates waterproof construction method |
| CN110469136B (en) * | 2018-05-09 | 2021-09-14 | 京德益邦(北京)新材料科技有限公司 | Back-covering type regeneration waterproof construction method |
| CN108952760A (en) * | 2018-06-27 | 2018-12-07 | 中国矿业大学 | A kind of intelligent circulation increasing-pressure-releasing type dynamic grouting system and method |
| CN108952760B (en) * | 2018-06-27 | 2020-02-07 | 中国矿业大学 | Intelligent circulating pressure increasing-discharging type dynamic grouting system and method |
| CN108979590A (en) * | 2018-09-01 | 2018-12-11 | 安徽理工大学 | A kind of surface drilling to coal seam breaking roof grouting and reinforcing method and grouting device |
| CN113281222A (en) * | 2021-05-31 | 2021-08-20 | 济南城建集团有限公司 | Test device and method for testing initial setting time of double-slurry in shield construction |
| CN115791781A (en) * | 2022-12-06 | 2023-03-14 | 武汉大学 | Microfluidic flowing water grouting visual test system and test method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110126 Termination date: 20180717 |
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| CF01 | Termination of patent right due to non-payment of annual fee |