CN203238961U - Pneumatic direct spraying wet type concrete spraying machine - Google Patents

Pneumatic direct spraying wet type concrete spraying machine Download PDF

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Publication number
CN203238961U
CN203238961U CN 201320265745 CN201320265745U CN203238961U CN 203238961 U CN203238961 U CN 203238961U CN 201320265745 CN201320265745 CN 201320265745 CN 201320265745 U CN201320265745 U CN 201320265745U CN 203238961 U CN203238961 U CN 203238961U
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CN
China
Prior art keywords
powder
storage tank
gas
cylinder
powder storage
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201320265745
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Chinese (zh)
Inventor
周继斌
杨彦光
Original Assignee
周继斌
杨彦光
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Publication date
Application filed by 周继斌, 杨彦光 filed Critical 周继斌
Priority to CN 201320265745 priority Critical patent/CN203238961U/en
Application granted granted Critical
Publication of CN203238961U publication Critical patent/CN203238961U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

Disclosed is a pneumatic direct spraying wet type concrete spraying machine. The pneumatic direct spraying wet type concrete spraying machine comprises a hollow powder storage tank, a powder storage tank feed inlet is formed in the top of the powder storage tank, a powder storage tank discharging outlet formed in the bottom of the powder storage tank is communicated with the lateral side of the upper portion of a hollow spiral conveying machine, the hollow interior of the spiral conveying machine is provided with a screw rod, the lateral side of the bottom of the spiral conveying machine is communicated with the lateral side of the upper portion of an accelerating room through a conveying pipeline, an air supplying main machine is communicated with one end of the accelerating room through a gas pipeline, and the other end of the accelerating room is communicated with a static mixing spraying device through a powder conveying pipeline. The pneumatic direct spraying wet type concrete spraying machine can effectively overcome the defects in the prior art that fields are seriously polluted by too heavy dust, materials sprayed out are large in rebounding amount loss, working air pressure is inconstant, generated turbulent flow is prone to lead to leakage, and continuous wet type spraying operation can not be achieved.

Description

The pneumatic formula concrete sprayer that directly squirts
Technical field
The utility model belongs to the concrete injection device technical field, is specifically related to a kind of pneumatic formula concrete sprayer that directly squirts.
Background technology
Present concrete sprayer is that the gases at high pressure that utilize compressed air to produce stir concrete and the compressed air mixing in accelerating chamber, and keep constant flow to be transported to continuously evenly adding water atomization in the agitator (static mixer) stirring along pipeline, and the continuous continual machinery that pulp jets is gone on the working face, and the concrete sprayer of domestic production is mainly take rotor-type concrete sprayer as main, rotor-type concrete sprayer is with the material after stirring, and the gases at high pressure that compressed air produces are used from press water mixing ejection after being blown into nozzle.This mode job practices is loaded down with trivial details, speed is slow and dust is seriously polluted to the scene too greatly, the loss of ejection material springback capacity is larger, add that wind pressure of work is non-constant, the turbulent flow that produces easily causes gas leakage, too simply material can not be stirred the material that eject uniformly be in leather hard to the water mode that adds that it adopts in addition, affects material performance, can't realize uninterrupted and wet shotcrete technology operation that continue.
Summary of the invention
The utility model provides a kind of pneumatic formula concrete sprayer that directly squirts, the powder storage tank that comprises hollow, the top of powder storage tank is with powder storage tank charging aperture, the powder storage tank of powder tank bottom is conducted with the upper side of discharging opening with the conveying worm of hollow, the hollow inside of conveying worm is provided with screw rod, the bottom sides of conveying worm is conducted by the upper side of conveyance conduit with accelerating chamber, and the air-supply main frame by the end conducting of gas pipeline with accelerating chamber, the other end of accelerating chamber is conducted with the static mixing ejector by powder conveying pipeline.Avoided effectively that job practices of the prior art is loaded down with trivial details, speed is slow and dust too large seriously polluted on the scene, the loss of ejection material springback capacity is large, add that wind pressure of work turbulent flow non-constant, that produce easily causes leaking gas, its water mode that adds that adopts is too simple and material can not be stirred the defective that the material that eject is in leather hard, affect material performance and can't realize uninterrupted and lasting wet shotcrete technology operation uniformly in addition.
For achieving the above object, the technical solution of the utility model is:
A kind of pneumatic formula concrete sprayer that directly squirts, the powder storage tank 1 that comprises hollow, the top of powder storage tank 1 is with powder storage tank charging aperture 2, the powder storage tank of powder storage tank 1 bottom is conducted with the upper side of discharging opening 11 with the conveying worm 3 of hollow, the hollow inside of conveying worm 3 is provided with screw rod 4, the bottom sides of conveying worm 3 is conducted by the upper side of conveyance conduit 6 with accelerating chamber 5, and air-supply main frame 7 passes through gas pipeline 8 with an end conducting of accelerating chamber 5, and the other end of accelerating chamber 5 is conducted with static mixing ejector 10 by powder conveying pipeline 9.
Described accelerating chamber 5 comprises accelerating chamber first component 101 and accelerating chamber second component 102, accelerating chamber first component 101 comprises the air intake cylinder 103 of columnar hollow, one end and the gas pipeline 8 of air intake cylinder 103 are conducted, and the integrated connection conducting of the other end of air intake cylinder 103 has the pressurized nozzles 104 of taper; Described accelerating chamber second component 103 comprises the urceolus 105 of columnar hollow, pressurized nozzles 104 stretches into urceolus 105 inside through an end of this urceolus 105, the integrated connection conducting of the other end of urceolus 105 has the first reducing pipe 106, the first reducing pipe 106 is conducted by the entrance of stylostome 108 with the first increaser 109, the integrated connection conducting of the outlet of the first increaser 109 has the chimney fan 110 of columnar hollow, and chimney fan 110 is connected with powder conveying pipeline 9.
Described static mixing ejector 10 comprises that an end is with the be connected mixed powder input cylinder 201 of columnar hollow of conducting of powder conveying pipeline 9, one of the mixed powder of the other end process columnar hollow of mixed powder input cylinder 201 and gas-liquid mixed cylinder 202 brought in the inside of stretching into mixed powder and gas-liquid mixed cylinder 202, be provided with spiral helicine rifling 203 on the inwall of mixed powder and gas-liquid mixed cylinder 202, the additional mixing powder also is connected the gas-liquid input pipe 204 that conducting has tubulose with the side of gas-liquid mixed cylinder 202, also be provided with inlet 205 and Compressed Gas entrance 206 on the gas-liquid input pipe 204, the other end of mixed powder and gas-liquid mixed cylinder 202 is also with the conducting that is connected of the entrance of the second reducing pipe 207, and the outlet of the second reducing pipe 207 is with the conducting that is connected of the entrance of the second increaser 208, and the second increaser 208 has formed slurry outlet.
The utility model also has following advantage:
1, really realize the wet shotcrete technology effect, reduced the dust concentration of job site, thereby greatly
Reduced the harm to workers ' health.
2, rational design configurations controlled pressure reduces the material resilience.
3, select equipment according to the actual condition demand, the Practical Performance of real embodiment device.
4, this pneumatic directly squirt formula concrete sprayer compact size, compact conformation, dependable performance, easy and simple to handle, outward set standby less, to adapt to the operating environment ability strong.
Description of drawings
Fig. 1 is structural representation of the present utility model;
The specific embodiment
Below by specific embodiment the utility model is described further:
As shown in Figure 1, the pneumatic formula concrete sprayer that directly squirts, the powder storage tank 1 that comprises hollow, the top of powder storage tank 1 is with powder storage tank charging aperture 2, the powder storage tank of powder storage tank 1 bottom is conducted with the upper side of discharging opening 11 with the conveying worm 3 of hollow, the hollow inside of conveying worm 3 is provided with screw rod 4, the bottom sides of conveying worm 3 is conducted by the upper side of conveyance conduit 6 with accelerating chamber 5, and air-supply main frame 7 passes through gas pipeline 8 with an end conducting of accelerating chamber 5, and the other end of accelerating chamber 5 is conducted with static mixing ejector 10 by powder conveying pipeline 9.Described accelerating chamber 5 comprises accelerating chamber first component 101 and accelerating chamber second component 102, accelerating chamber first component 101 comprises the air intake cylinder 103 of columnar hollow, one end and the gas pipeline 8 of air intake cylinder 103 are conducted, and the integrated connection conducting of the other end of air intake cylinder 103 has the pressurized nozzles 104 of taper; Described accelerating chamber second component 103 comprises the urceolus 105 of columnar hollow, pressurized nozzles 104 stretches into urceolus 105 inside through an end of this urceolus 105, the integrated connection conducting of the other end of urceolus 105 has the first reducing pipe 106, the first reducing pipe 106 is conducted by the entrance of stylostome 108 with the first increaser 109, the integrated connection conducting of the outlet of the first increaser 109 has the chimney fan 110 of columnar hollow, and chimney fan 110 is connected with powder conveying pipeline 9.Described static mixing ejector 10 comprises that an end is with the be connected mixed powder input cylinder 201 of columnar hollow of conducting of powder conveying pipeline 9, one of the mixed powder of the other end process columnar hollow of mixed powder input cylinder 201 and gas-liquid mixed cylinder 202 brought in the inside of stretching into mixed powder and gas-liquid mixed cylinder 202, be provided with spiral helicine rifling 203 on the inwall of mixed powder and gas-liquid mixed cylinder 202, spiral helicine rifling 203 can reach the effect of more uniform atomizing, the additional mixing powder also is connected the gas-liquid input pipe 204 that conducting has tubulose with the side of gas-liquid mixed cylinder 202, also be provided with inlet 205 and Compressed Gas entrance 206 on the gas-liquid input pipe 204, the other end of mixed powder and gas-liquid mixed cylinder 202 is also with the conducting that is connected of the entrance of the second reducing pipe 207, and the outlet of the second reducing pipe 207 is with the conducting that is connected of the entrance of the second increaser 208, and the second increaser 208 has formed slurry outlet.
Operating principle of the present utility model is for sending into concrete materials powder storage tank charging aperture 2, powder storage tank 1 is transported to concrete materials in the apron quantitive conveyor 3 with discharging opening 11 through the powder storage tank, screw rod 4 in the apron quantitive conveyor 3 according to the rotating speed of setting with the concrete materials that transports according in the per hour default urceolus that quantitatively is transported to accelerating chamber second component 102 105, the main frame 7 of blowing simultaneously also is sent to Compressed Gas in the urceolus 105 of accelerating chamber second component 102 through accelerating chamber first component 101 according to the constant-velocity of setting by gas pipeline 8, the compressed air and the concrete materials that are transported to like this in the urceolus 105 of accelerating chamber second component 102 have just formed mixed powder, this mixed powder is according to this by urceolus 105, the first reducing pipe 106, stylostome 108, the first increaser 109 and chimney fan 110 accelerate, mixed powder after the acceleration is transported in the static mixing ejector 10 by powder conveying pipeline 9 again, static mixing ejector 10 carries out atomizing toward static mixing ejector 10 interior Compressed Gas and the water sent into respectively for mixed powder according to predetermined amount by its Compressed Gas entrance 206 and inlet 205, forms at last concrete slurry and is ejected into stress surface by slurry outlet.
The utility model can really reach wind pressure of work and keep constant always, continues uninterrupted wet shotcrete technology operation, cooperates the flow design of science so that manually cooperatively interact the reasonable usability of raising equipment with machine in the operation of reality.In whole workflow, because the particularity of material reduces the consumable accessory that the physical contact area of material and equipment realizes reducing machinery equipment as far as possible, greatly reduce the equipment use cost.
This embodiment only is to reference explanation of the present utility model, does not consist of any restriction to the utility model content.

Claims (3)

1. pneumatic formula concrete sprayer that directly squirts, the powder storage tank (1) that comprises hollow, the top of powder storage tank (1) is with powder storage tank charging aperture (2), the powder storage tank of powder storage tank (1) bottom is conducted with the upper side of discharging opening (11) with the conveying worm (3) of hollow, the hollow inside that it is characterized in that conveying worm (3) is provided with screw rod (4), the bottom sides of conveying worm (3) is conducted by the upper side of the same accelerating chamber of conveyance conduit (6) (5), and air-supply main frame (7) passes through an end conducting of the same accelerating chamber of gas pipeline (8) (5), and the other end of accelerating chamber (5) is conducted with static mixing ejector (10) by powder conveying pipeline (9).
2. the pneumatic formula concrete sprayer that directly squirts according to claim 1, it is characterized in that described accelerating chamber (5) comprises accelerating chamber first component (101) and accelerating chamber second component (102), accelerating chamber first component (101) comprises the air intake cylinder (103) of columnar hollow, one end of air intake cylinder (103) and gas pipeline (8) are conducted, and the integrated connection conducting of the other end of air intake cylinder (103) has the pressurized nozzles (104) of taper; Described accelerating chamber second component (103) comprises the urceolus (105) of columnar hollow, pressurized nozzles (104) stretches into urceolus (105) inside through an end of this urceolus (105), the integrated connection conducting of the other end of urceolus (105) has the first reducing pipe (106), the first reducing pipe (106) is conducted by the entrance of stylostome (108) with the first increaser (109), the integrated connection conducting of the outlet of the first increaser (109) has the chimney fan (110) of columnar hollow, and chimney fan (110) is connected with powder conveying pipeline (9).
3. the pneumatic formula concrete sprayer that directly squirts according to claim 2, it is characterized in that described static mixing ejector (10) comprises the be connected mixed powder input cylinder (201) of columnar hollow of conducting of the same powder conveying pipeline of an end (9), one of the mixed powder of the other end process columnar hollow of mixed powder input cylinder (201) and gas-liquid mixed cylinder (202) brought in the inside of stretching into mixed powder and gas-liquid mixed cylinder (202), be provided with spiral helicine rifling (203) on the inwall of mixed powder and gas-liquid mixed cylinder (202), the additional mixing powder also is connected the gas-liquid input pipe (204) that conducting has tubulose with the side of gas-liquid mixed cylinder (202), also be provided with inlet (205) and Compressed Gas entrance (206) on the gas-liquid input pipe (204), the other end of mixed powder and gas-liquid mixed cylinder (202) is also with the conducting that is connected of the entrance of the second reducing pipe (207), and the outlet of the second reducing pipe (207) is with the conducting that is connected of the entrance of the second increaser (208), and the second increaser (208) has formed slurry outlet.
CN 201320265745 2013-05-16 2013-05-16 Pneumatic direct spraying wet type concrete spraying machine Expired - Fee Related CN203238961U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320265745 CN203238961U (en) 2013-05-16 2013-05-16 Pneumatic direct spraying wet type concrete spraying machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320265745 CN203238961U (en) 2013-05-16 2013-05-16 Pneumatic direct spraying wet type concrete spraying machine

Publications (1)

Publication Number Publication Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103225407A (en) * 2013-05-16 2013-07-31 周继斌 Pneumatic direct-injection wet-type concrete sprayer and spray method thereof
CN107416438A (en) * 2017-05-08 2017-12-01 刘泽堃 A kind of mining pneumatic tide material injection apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103225407A (en) * 2013-05-16 2013-07-31 周继斌 Pneumatic direct-injection wet-type concrete sprayer and spray method thereof
CN107416438A (en) * 2017-05-08 2017-12-01 刘泽堃 A kind of mining pneumatic tide material injection apparatus

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131016

Termination date: 20150516

EXPY Termination of patent right or utility model