CN114314781B - A directional accelerated crystallization device for tunnel drainage system and use method thereof - Google Patents
A directional accelerated crystallization device for tunnel drainage system and use method thereof Download PDFInfo
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- CN114314781B CN114314781B CN202111510498.2A CN202111510498A CN114314781B CN 114314781 B CN114314781 B CN 114314781B CN 202111510498 A CN202111510498 A CN 202111510498A CN 114314781 B CN114314781 B CN 114314781B
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- 238000002425 crystallisation Methods 0.000 title claims abstract description 105
- 230000008025 crystallization Effects 0.000 title claims abstract description 105
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000003814 drug Substances 0.000 claims abstract description 110
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 238000010438 heat treatment Methods 0.000 claims description 31
- 230000001133 acceleration Effects 0.000 claims description 20
- 239000010410 layer Substances 0.000 claims description 18
- 239000013078 crystal Substances 0.000 claims description 14
- 229940079593 drug Drugs 0.000 claims description 12
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 8
- 238000007667 floating Methods 0.000 claims description 6
- 239000008188 pellet Substances 0.000 claims description 6
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
- 230000001502 supplementing effect Effects 0.000 claims description 4
- 239000000376 reactant Substances 0.000 claims description 3
- 239000002356 single layer Substances 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 abstract description 2
- 238000007713 directional crystallization Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 210000002268 wool Anatomy 0.000 description 14
- 238000010586 diagram Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 2
- 239000001095 magnesium carbonate Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 239000006187 pill Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
本发明涉及隧道排水技术领域，具体公开了一种用于隧道排水系统的定向加速结晶装置及使用方法，包括结晶池组件、毡毛层和药箱组件，结晶池组件包含结晶池，结晶池顶部设置有池盖；结晶池包含前壁、后壁、外壁和内壁；药箱组件包含储药箱，储药箱的箱底设置有水平的网状夹药盒，网状夹药盒为双层空心网状结构，储药箱底部与网状夹药盒连通，网状夹药盒中放置有反应药物；本发明考虑了温度、流速、化学药物、结晶池形状及表面形态对隧道水体结晶的影响，可以实现隧道排水系统定向结晶的设想，同时兼具结构简单，易于补药、清理、维修、养护的优点，既可以应用于已经投入运营的隧道，也可以在应用于处在设计期的隧道。
The invention relates to the technical field of tunnel drainage, and specifically discloses a directional accelerated crystallization device for a tunnel drainage system and a method for using the device. The device comprises a crystallization pool component, a felt layer and a medicine box component, wherein the crystallization pool component comprises a crystallization pool, and a pool cover is arranged on the top of the crystallization pool; the crystallization pool comprises a front wall, a rear wall, an outer wall and an inner wall; the medicine box component comprises a medicine storage box, and a horizontal mesh medicine box is arranged at the bottom of the medicine storage box, and the mesh medicine box is a double-layer hollow mesh structure, and the bottom of the medicine storage box is connected to the mesh medicine box, and reactive medicine is placed in the mesh medicine box; the invention takes into account the influence of temperature, flow rate, chemical medicine, crystallization pool shape and surface morphology on the crystallization of tunnel water, and can realize the idea of directional crystallization of the tunnel drainage system, and at the same time has the advantages of simple structure, easy medicine replenishment, cleaning, repair and maintenance, and can be applied to tunnels that have been put into operation, and can also be applied to tunnels in the design stage.
Description
Technical Field
The invention relates to the technical field of tunnel drainage, in particular to a directional acceleration crystallization device for a tunnel drainage system and a use method thereof.
Background
Along with the continuous development of social economy and the continuous promotion of highway construction progress, tunnel engineering in China obtains long-term development and construction, and the number and mileage of the current construction are all stable in the first world. But are limited by factors such as design level, construction quality, material quality, geological conditions, operation environment and the like, a large number of tunnels have different degrees of damage after being put into operation, and tunnel water damage is often the cause of other damage.
According to statistics, at present, 70% of tunnels in China have water leakage phenomenon, 30% of tunnels have serious leakage, and the reduction or even failure of drainage performance after serious crystallization of a tunnel drainage system is one of main reasons for the phenomenon, so discussion, research and treatment of crystallization problems of tunnel drainage pipelines are more and more important for practitioners.
The main components of the crystallization of the tunnel drainage system are calcium carbonate and magnesium carbonate crystals, and surrounding rock crevice water enters the tunnel drainage system from surrounding rock through a primary support, so that calcium and magnesium ions in the surrounding rock and the primary support are brought, and react with carbonate to separate out the calcium carbonate and magnesium carbonate crystals in an alkaline environment, so that the drainage pipeline is blocked. The prior solution is mostly focused on two aspects of scale removal and scale inhibition, wherein the scale removal technology mainly adopts methods such as a high-pressure water gun, ultrasonic waves, chemical agents and the like to crush, destroy and dissolve crystals after the crystals are formed, and the scale inhibition technology reduces the probability of pipeline crystallization at the source through methods such as electromagnetism, plating, filtration, pipeline flocking and the like, increases the difficulty of pipeline scaling, thereby achieving the effect of treating pipeline crystallization.
In general, these methods are often limited by objective conditions such as sealing the drainage pipeline of the tunnel and embedding the drainage pipeline in the lining, so that the expected effect is difficult to be exerted, and some methods can damage the drainage pipeline and the surrounding environment of the tunnel to some extent. Therefore, the development of a comprehensive and effective treatment measure for treating the crystallization of the tunnel drainage pipeline is urgently needed in view of the current situation.
Disclosure of Invention
The invention aims to solve the technical problems of the prior art and provides a directional acceleration crystallization device for a tunnel drainage system and a use method thereof, the invention can lead the groundwater in the tunnel longitudinal drain pipe to be directionally crystallized and deposited in the crystallization pond, reduce the deposition probability of other parts and realize the high-efficiency treatment of the crystallization problem of the tunnel drain pipe.
In order to achieve the above purpose, the invention adopts the following technical scheme:
The directional acceleration crystallization device for the tunnel drainage system comprises a crystallization pond component, a felt layer, an anti-drift net and a medicine box component, wherein the crystallization pond component comprises a crystallization pond, a pond cover is arranged at the top of the crystallization pond, the crystallization pond comprises a front wall, a rear wall, an outer wall and an inner wall, the medicine box comprises a medicine storage box, the medicine storage box is a box body which is obliquely arranged along the longitudinal direction of the crystallization pond and is deviated to the outer wall, a horizontal net-shaped medicine clamping box is arranged at the bottom of the medicine storage box and is of a double-layer hollow net-shaped structure, the bottom of the medicine storage box is communicated with the net-shaped medicine clamping box, a reaction medicine is placed in the net-shaped medicine clamping box, the front end of the medicine storage box is in contact with the inner surface of the front wall, the rear end of the medicine storage box is in contact with the inner surface of the rear wall, a first water inlet pipe is arranged on the front wall between the net-shaped medicine clamping box and the medicine box, a second water inlet pipe is arranged between the net-shaped medicine clamping box and the inner wall, the first water inlet pipe and the second water inlet pipe is arranged at the height equal to the first water inlet pipe and the felt layer, and the second water inlet pipe is arranged at the height equal to the first water inlet pipe and the felt layer is arranged at the bottom of the felt layer.
The crystallization pond is characterized by further comprising a pond bottom heating cable, a pond wall heating cable and a power supply, wherein the pond bottom heating cable and the pond wall heating cable are respectively and electrically connected with the power supply, the pond bottom heating cable is arranged at the bottom of the crystallization pond, the pond wall heating cable is arranged on the side wall of the crystallization pond, and the heating temperature of the pond bottom heating cable and the pond wall heating cable is 50-80 ℃.
The crystallization tank further comprises a first limit groove and a second limit groove, wherein the first limit groove is obliquely arranged on the inner surface of the front wall of the crystallization tank, the second limit groove is obliquely arranged on the inner surface of the rear wall of the crystallization tank, and the medicine chest component is arranged on the first limit groove and the second limit groove.
Further, the device also comprises a first bearing platform, a second bearing platform, a third bearing platform and a fourth bearing platform, wherein the first bearing platform and the second bearing platform are horizontally arranged on the inner surface of the inner wall of the crystallization pond, the third bearing platform and the fourth bearing platform are horizontally arranged on the right side wall of the medicine storage box, the first bearing platform, the second bearing platform, the third bearing platform and the fourth bearing platform are at equal heights, and the first bearing platform, the second bearing platform, the third bearing platform and the fourth bearing platform are provided with the anti-floating net.
Further, the anti-floating net is a single-layer net panel, and the mesh size of the anti-floating net is 1.0 mm-4.0 mm.
Further, the horizontal cross section of the crystallization pond is trapezoidal.
Further, the reactant is an alkaline pellet drug comprising CO 3 2-.
Further, the alkaline pellets are Na 2CO3 and/or NaHCO 3.
Secondly, a directional acceleration crystallization device for a tunnel drainage system and a use method thereof are provided, wherein the bottom in the tunnel is provided with a central drain pipe along the length direction of the tunnel, and the left side and the right side of the central drain pipe are respectively connected with a plurality of transverse drain pipes; a plurality of parallel annular drain pipes are arranged in the tunnel arch at intervals, and a longitudinal drain pipe is respectively arranged at the left side and the right side of the bottom in the tunnel; the left end and the right end of the bottom of each annular drain pipe are respectively connected with the longitudinal drain pipes at the left side and the right side of the bottom of the tunnel, and the using method of the crystallization accelerating device comprises the following steps:
Step 1, connecting the crystallization accelerating device in series on a longitudinal drain pipe between every two annular drain pipes, wherein the first water inlet pipe and the second water inlet pipe are both connected with the longitudinal drain pipe, and the first drain pipe is connected with the transverse drain pipe;
step 2, adding a reaction medicine into the netlike medicine clamping box, and then arranging the medicine box assembly on a first limit groove and a second limit groove in the crystallization pond;
and step 3, switching on a power supply and periodically supplementing the reaction medicine to the medicine box assembly.
The invention has the advantages that the influence of temperature, flow rate, chemical drugs, crystallization tank shape and surface morphology on the crystallization of the tunnel water body is considered, the assumption of directional crystallization of a tunnel drainage system can be realized, and meanwhile, the invention has the advantages of simple structure and easy drug supplementing, cleaning, maintenance and maintenance, and can be applied to the tunnel which is already put into operation and the tunnel in the design period.
Drawings
FIG. 1 is a schematic diagram of a crystallization pond enclosure of the present invention;
FIG. 2 is a schematic diagram of components of the directional acceleration crystallization pond of the present invention;
FIG. 3 is a schematic diagram of a tunnel drainage system;
FIG. 4 is a schematic diagram of the cell assembly of the present invention;
FIG. 5 is a schematic diagram of the water flow direction of the crystallization pond according to the present invention;
In the figures 1 to 5, 1, a crystallization pond assembly, 101, a crystallization pond, 102, a pond cover, 103, a front wall, 104, a rear wall, 105, an outer wall, 106, an inner wall, 2, a felt layer, 3, a medicine box assembly, 301, a medicine storage box, 302, a net-shaped medicine clamping box, 4, a first water inlet pipe, 5, a second water inlet pipe, 6, a first water outlet pipe, 7, a pond bottom heating cable, 8, a pond wall heating cable, 9, a first limit groove, 10, a second limit groove, 11, an anti-floating net, 12, a first bearing platform, 13, a second bearing platform, 14, a central water outlet pipe, 15, a transverse water outlet pipe, 16, a circular water outlet pipe and 17, a longitudinal water outlet pipe.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings.
In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than those herein described, and those skilled in the art may readily devise numerous other arrangements that do not depart from the spirit of the invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.
Please refer to fig. 1 to 5:
The directional acceleration crystallization device for the tunnel drainage system comprises a crystallization pond assembly 1, a felt layer 2, an anti-drift net 11 and a medicine box assembly 3, wherein the crystallization pond assembly comprises a crystallization pond 101, a pond cover 102 is arranged at the top of the crystallization pond 101, the crystallization pond 101 comprises a front wall 103, a rear wall 104, an outer wall 105 and an inner wall 106, the medicine box assembly 3 comprises a medicine storage box 301, the medicine storage box 301 is a box body obliquely arranged along the longitudinal direction of the crystallization pond 101 and deviated to the outer wall, a horizontal net-shaped medicine clamping box 302 is arranged at the bottom of the medicine storage box 301, the net-shaped medicine clamping box 302 is of a double-layer hollow net-shaped structure, the bottom of the medicine storage box 301 is communicated with the net-shaped medicine clamping box 302, a reaction medicine is placed in the net-shaped medicine clamping box 302, the front end of the medicine storage box 301 is in contact with the inner surface of the front wall 103, the rear end of the medicine storage box 301 is in contact with the inner surface of the rear wall 104, and the anti-drift net 11 is arranged between the inner wall 106 and the medicine box 301;
The net-shaped medicine clamping box 302 extends to the outer wall 105 of the crystallization pond 101 and is in contact with the inner surface of the crystallization pond, a first water inlet pipe 4 is arranged on the front wall 103 between the net-shaped medicine clamping box 302 and the medicine storage box 301, a second water inlet pipe 5 is arranged on the rear wall 104 between the net-shaped medicine clamping box 302 and the medicine storage box 301, a first water outlet pipe 6 is arranged on the inner wall 106, the height of the first water inlet pipe 4 is equal to the height of the second water inlet pipe 5, the height of the first water outlet pipe 6 is lower than the height of the first water inlet pipe 4 and the height of the second water inlet pipe 5, a felt wool layer 2 is arranged at the bottom of the crystallization pond 101, wool is arranged on the felt wool layer, and calcium carbonate seed crystals are contained in the felt wool.
In the embodiment, the medicine storage box is a box body which is obliquely arranged along the longitudinal direction of the crystallization pond and is deviated to the outer wall, so that medicines can be stored, the water flow path and the water cross-section area can be changed by using an inclined plane, the water flow direction and the flow speed are further controlled, the water body translation is prevented, the water flow speed of the outer side pond wall is accelerated, the water flow speed of the pond bottom is reduced, the net-shaped medicine clamping box is a double-layer hollow net-shaped structure which is connected with the bottom of the outer side of the medicine storage box, is positioned between the medicine storage box and the pond wall of the outer side of the crystallization pond, the medicines in the medicine storage box play a role in the bottom of the crystallization pond after being stripped along with the water flow with high flow speed, and the medicines in the medicine storage box automatically roll into the net-shaped medicine clamping box due to the action of gravity, and the medicines are alkaline pill medicines containing CO 3 2-, so that the crystallization generation can be accelerated and the medicines are conveniently complemented.
Further, the crystallization pond further comprises a pond bottom heating cable 7, a pond wall heating cable 8 and a power supply, wherein the pond bottom heating cable 7 and the pond wall heating cable 8 are respectively and electrically connected with the power supply, the pond bottom heating cable 7 is arranged at the bottom of the crystallization pond 101, the pond wall heating cable 8 is arranged on the side wall of the crystallization pond 101, and the heating temperature of the pond bottom heating cable 7 and the pond wall heating cable 8 is 50-80 ℃.
Further, the device also comprises a first limit groove 9, a second limit groove 10 and an anti-drifting net 11, wherein the anti-drifting net 11 is arranged between the inner wall 106 and the medicine storage tank 301, the first limit groove 9 is obliquely arranged on the inner surface of the front wall 103 of the crystallization pond 101, the second limit groove 10 is obliquely arranged on the inner surface of the rear wall 104 of the crystallization pond 101, and the medicine storage tank assembly 3 is arranged on the first limit groove 9 and the second limit groove 10.
Further, the device further comprises a first bearing platform 12, a second bearing platform 13, a third bearing platform and a fourth bearing platform, wherein the first bearing platform 12 and the second bearing platform 13 are horizontally arranged on the inner side of the inner wall 106 of the crystallization pond 101, the third bearing platform and the fourth bearing platform are horizontally arranged on the right side wall of the medicine storage box 301, the first bearing platform 12, the second bearing platform 13, the third bearing platform and the fourth bearing platform are equal in height, and the floating preventing net 11 is arranged on the first bearing platform 12, the second bearing platform 13, the third bearing platform and the fourth bearing platform.
Further, the anti-drift net 11 is a single-layer net panel, and the mesh size of the anti-drift net 11 is 1.0 mm-4.0 mm.
Further, the horizontal cross section of the crystallization pond 101 is trapezoid.
Further, the reactant is an alkaline pellet drug comprising CO 3 2-.
Further, the alkaline pellets are Na 2CO3 and/or NaHCO 3.
In the above embodiment, the mesh size of the anti-drift net 11 should meet the requirements of not blocking water flow and preventing crystals from drifting, the felt wool layer has sparse felt wool, a certain amount of CaCO 3 and/or MgCO 3 crystal seeds are scattered in the felt wool, the sparse felt wool can filter crystals and not block water flow, and meanwhile, the felt wool has larger specific surface area relative to the horizontal plane, more crystals can be attached, the scattered crystal seeds in the felt wool can enable the crystallization reaction to pass through the nucleation stage, and further attract the crystals to attach and promote crystal growth.
(II) a directional acceleration crystallization device for a tunnel drainage system and a use method thereof, wherein a central drain pipe 14 along the length direction of the tunnel is arranged at the bottom in the tunnel, the left side and the right side of the central drain pipe are respectively connected with a plurality of transverse drain pipes 15, a plurality of parallel annular drain pipes 16 are arranged in the tunnel arch at intervals, a longitudinal drain pipe 17 is respectively arranged at the left side and the right side of the bottom in the tunnel, the left end and the right end of the bottom of each annular drain pipe 16 are respectively connected with the longitudinal drain pipes 17 at the left side and the right side of the bottom of the tunnel, and the use method of the acceleration crystallization device comprises the following steps:
Step 1, connecting the crystallization acceleration device in series on a longitudinal drain pipe 17 between every two annular drain pipes 16, wherein the first water inlet pipe 4 and the second water inlet pipe 5 are both connected with the longitudinal drain pipe, and the first drain pipe 6 is connected with the transverse drain pipe 15;
step 2, adding a reaction medicine into the netlike medicine clamping box 302, and then arranging the medicine box assembly 3 on a first limit groove 9 and a second limit groove 10 in the crystallization pond 101;
and step 3, switching on a power supply and periodically supplementing the reaction medicine to the medicine box assembly.
In the above embodiment, after the water flow of the first longitudinal drain pipe and/or the second longitudinal drain pipe enters the crystallization pond, the water spontaneously flows to the transverse drain pipe due to the action of the water head difference, but the blocking of the medicine box component forces the water flow to flow downwards along the outer side wall instead of translation, the smaller water cross section formed by the medicine box component and the outer wall of the crystallization pond on the narrow side in a tilting way leads to the acceleration of the water flow, the medicine in the netty medicine clamping box is peeled off, the medicine is carried to the felt wool layer at the bottom, the blocking effect of the larger water cross section and the felt wool leads to the reduction of the water flow velocity, a stable environment is created for crystallization and deposition, meanwhile, the temperature of the water body is raised by the pond bottom heating cable and the pond wall heating cable, so that Ca 2+ and Mg 2+ in the water body can fully react with the medicine to promote crystallization, the crystallization is blocked by the felt wool and attracted by the seed crystal seeds, finally attached to the felt wool layer, and after crystallization is separated out, the water is influenced by the water head difference, upwards enters the transverse drain pipe and finally converged outside the central drain pipe.
While the invention has been described in detail in this specification with reference to the general description and the specific embodiments thereof, it will be apparent to one skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the scope of the invention as claimed.
Claims (9)
1. The directional acceleration crystallization device for the tunnel drainage system is characterized by comprising a crystallization tank assembly (1), a felt layer (2), an anti-drift net (11) and a medicine box assembly (3);
The crystallization pond component comprises a crystallization pond (101), wherein a pond cover (102) is arranged at the top of the crystallization pond (101), and the crystallization pond (101) comprises a front wall (103), a rear wall (104), an outer wall (105) and an inner wall (106);
The medicine box assembly (3) comprises a medicine storage box (301), wherein the medicine storage box (301) is a box body which is obliquely arranged along the longitudinal direction of the crystallization pond (101) and is deviated to the outer wall, a horizontal net-shaped medicine clamping box (302) is arranged at the bottom of the medicine storage box (301), and the net-shaped medicine clamping box (302) is of a double-layer hollow net-shaped structure;
The front end of the medicine storage box (301) is contacted with the inner surface of the front wall (103), the rear end of the medicine storage box (301) is contacted with the inner surface of the rear wall (104), and the net-shaped medicine clamping box (302) extends to the outer wall (105) of the crystallization pond (101) and is contacted with the inner surface of the crystallization pond;
a first water inlet pipe (4) is arranged on the front wall (103) between the netlike medicine clamping box (302) and the medicine storage box (301), and a second water inlet pipe (5) is arranged on the rear wall (104) between the netlike medicine clamping box (302) and the medicine storage box (301);
The inner wall (106) is provided with a first drain pipe (6);
The height of the first water inlet pipe (4) is equal to the height of the second water inlet pipe (5), and the height of the first water outlet pipe (6) is lower than the height of the first water inlet pipe (4) and the height of the second water inlet pipe (5);
The bottom of the crystallization pond (101) is provided with the felt layer (2), the felt layer (2) is provided with felt, and the felt contains calcium carbonate seed crystals;
The anti-drift net (11) is arranged between the inner wall (106) and the medicine storage box (301).
2. The directional acceleration crystallization device for a tunnel drainage system according to claim 1, further comprising a pool bottom heating cable (7), a pool wall heating cable (8) and a power supply, wherein the pool bottom heating cable (7) and the pool wall heating cable (8) are respectively and electrically connected with the power supply, the pool bottom heating cable (7) is arranged at the bottom of the crystallization pool (101), the pool wall heating cable (8) is arranged on the side wall of the crystallization pool (101), and the heating temperature of the pool bottom heating cable (7) and the pool wall heating cable (8) is 50-80 ℃.
3. The directional acceleration crystallization device for a tunnel drainage system according to claim 2, further comprising a first limit groove (9) and a second limit groove (10), wherein the first limit groove (9) is obliquely arranged on the inner surface of a front wall (103) of the crystallization pond (101), the second limit groove (10) is obliquely arranged on the inner surface of a rear wall (104) of the crystallization pond (101), and the medicine box assembly (3) is arranged on the first limit groove (9) and the second limit groove (10).
4. A directional acceleration crystallization device for a tunnel drainage system according to claim 3, further comprising a first (12), a second (13), a third and a fourth (13), wherein the first (12) and the second (13) caps are horizontally arranged on the inner surface of the inner wall (106) of the crystallization pond (101), the third and the fourth caps are horizontally arranged on the right side wall of the drug storage box (301), the first (12), the second (13), the third and the fourth caps are equal in height, and the first (12), the second (13), the third and the fourth caps are provided with the anti-floating net (11).
5. The directional acceleration crystallization device for tunnel drainage system of claim 4, wherein the anti-drift net (11) is a single-layer net panel, and the mesh size of the anti-drift net (11) is 1.0 mm-4.0 mm.
6. The directional acceleration crystallization device for tunnel drainage system according to claim 5, characterized in, that the horizontal cross section of the crystallization pond (101) is trapezoidal.
7. The directionally accelerating crystallization device for a tunnel drainage system of claim 6, wherein the reactant is an alkaline pellet comprising CO 3 2-.
8. The directional acceleration crystallization device for tunnel drainage system of claim 7, wherein the basic pellet drug is Na 2CO3 and/or NaHCO 3.
9. The use method of the directional acceleration crystallization device for the tunnel drainage system according to any one of claims 1 to 8 is characterized in that a central drainage pipe (14) along the length direction of the tunnel is arranged at the bottom in the tunnel, a plurality of transverse drainage pipes (15) are respectively connected to the left side and the right side of the central drainage pipe (14), a plurality of parallel annular drainage pipes (16) are arranged in the tunnel arch at intervals, a longitudinal drainage pipe (17) is respectively arranged at the left side and the right side of the bottom in the tunnel, the left end and the right end of the bottom of each annular drainage pipe (16) are respectively connected with the longitudinal drainage pipes (17) at the left side and the right side of the bottom of the tunnel, and the use method of the acceleration crystallization device comprises the following steps:
The method comprises the following steps of 1, connecting the accelerated crystallization device in series on a longitudinal drain pipe (17) between every two annular drain pipes (16), wherein the first water inlet pipe (4) and the second water inlet pipe (5) are connected with the longitudinal drain pipe (17), and the first drain pipe (6) is connected with the transverse drain pipe (15);
Step 2, adding a reaction medicine into the netlike medicine clamping box (302), and then arranging the medicine box assembly (3) on a first limit groove (9) and a second limit groove (10) in the crystallization pond (101);
and step 3, switching on a power supply and periodically supplementing the reaction medicine to the medicine box assembly.
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| CN216639005U (en) * | 2021-12-10 | 2022-05-31 | 长安大学 | Directional accelerating crystallization device for tunnel drainage system |
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|---|---|---|---|---|
| DE59406871D1 (en) * | 1993-02-17 | 1998-10-15 | Wegmueller Marcel Christian | METHOD FOR PREVENTING DEPOSIT IN A BUILDING DRAINAGE SYSTEM |
| CN212130548U (en) * | 2020-04-30 | 2020-12-11 | 成都扬华源动新材料科技有限公司 | Tunnel drainage system capable of preventing and treating karst water crystallization |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216639005U (en) * | 2021-12-10 | 2022-05-31 | 长安大学 | Directional accelerating crystallization device for tunnel drainage system |
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