CN110578521A - Internal and external circulation pressure-dividing and flow-dividing valve for spray pump of mining development machine - Google Patents
Internal and external circulation pressure-dividing and flow-dividing valve for spray pump of mining development machine Download PDFInfo
- Publication number
- CN110578521A CN110578521A CN201910999357.8A CN201910999357A CN110578521A CN 110578521 A CN110578521 A CN 110578521A CN 201910999357 A CN201910999357 A CN 201910999357A CN 110578521 A CN110578521 A CN 110578521A
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- internal
- spray
- pressure
- external
- flow
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/22—Equipment for preventing the formation of, or for removal of, dust
Abstract
The invention discloses an internal and external circulation partial pressure and flow divider valve of a mining tunneling machine spray pump, which comprises a safety valve, a valve block, an internal spray pressure adjusting bolt, an internal spray pressure gauge, a liquid inlet K-shaped joint, a plug wire, an internal spray K-shaped joint, an external spray pressure adjusting bolt, an internal and external spray flow adjusting bolt, a lock nut and an external spray pressure gauge. The high-pressure water enters the valve block and is divided into an internal circulation spraying water flow and an external circulation spraying water flow; the inner and outer spray flow adjusting bolts adjust hydraulic water to enable water flows at the left side and the right side to form a flow difference; the pressure of the internal circulation water flow is adjusted to be 4MPa through the internal spraying pressure adjusting bolt, the internal circulation water flow is supplied to the internal circulation nozzle for spraying through the internal spraying K-shaped joint, the pressure of the external circulation water flow is adjusted to be 2MPa through the external spraying pressure adjusting bolt, and the external circulation water flow is supplied to the external circulation nozzle for spraying through the external spraying K-shaped joint, so that the design purpose of the internal and external circulation partial pressure and flow dividing valve of the mining heading machine spraying pump is achieved.
Description
Technical Field
The invention relates to an internal and external circulation pressure-dividing and flow-dividing valve of a mining development machine spray pump, in particular to a pressure-dividing and flow-dividing device which divides one path of water into two paths and has pressure difference and flow difference of the two paths of water.
Background
at present, most of hydraulic control valves of a mining development machine spray pump are one-way water flow hydraulic control valves, and when the hydraulic control valves are divided into two ways, no pressure difference or flow difference exists; in the actual work, the development machine is provided with two spraying hydraulic systems, one is an internal circulation hydraulic system, the other is an external circulation hydraulic system, the pressures of the two hydraulic systems cannot be the same, and the internal circulation hydraulic system is larger than the external circulation hydraulic system; therefore, a hydraulic control valve which can control pressure and flow and can not control pressure and flow of two paths of water flows is required to be arranged on the spray pump of the heading machine. However, there is no device to solve this problem.
Disclosure of Invention
The invention aims to solve the problems that most of hydraulic control valves of the mining development machine spray pump are one-way water flow hydraulic control valve, and no pressure difference or flow difference exists when the hydraulic control valve is divided into two ways; in the actual work, the development machine is provided with two spraying hydraulic systems, one is an internal circulation hydraulic system, the other is an external circulation hydraulic system, the pressures of the two hydraulic systems cannot be the same, and the internal circulation hydraulic system is larger than the external circulation hydraulic system; the difficult problem is that the internal and external circulation partial pressure and flow dividing valve of the mining development machine spray pump is provided, the flow of two paths of water is adjusted through the internal and external spray flow throttling bolt, the pressure of the internal circulation water flow is 4MPa, the pressure of the external circulation water flow is 2MPa, and the purpose that the flow and the pressure of the two paths of water pressure are different is achieved.
The invention is realized by the following technical scheme:
The internal and external circulation partial pressure and flow divider valve for the spray pump of the mining heading machine comprises a safety valve (1), a valve block (2), an internal spray pressure adjusting bolt (3), an internal spray pressure gauge (4), a liquid inlet K-shaped joint (5), a plug wire (6), an internal spray K-shaped joint (7), an external spray K-shaped joint (8), an external spray pressure adjusting bolt (9), an internal and external spray flow adjusting bolt (10), a lock nut (11) and an external spray pressure gauge (12); the device is characterized in that the safety valve (1) is arranged at the lower side of the valve block (2), and the inner spraying pressure gauge (4) and the outer spraying pressure gauge (12) are arranged at the upper side of the valve block (2); the liquid inlet K-shaped joint (5) is arranged at the front end of the valve block (2), and the inner spraying K-shaped joint (7) and the outer spraying K-shaped joint (8) are respectively arranged at the rear end of the valve block (2); the inner and outer circulation pressure dividing and flow dividing valve of the mining heading machine spray pump is formed by installing the wire blocking (6) and the inner spray pressure adjusting bolt (3) on the left side of the valve block (2), and installing the outer spray pressure adjusting bolt (9) and the inner and outer spray flow adjusting bolt (10) on the right side of the valve block (2).
In order to further achieve the purpose of convenient control and operation, an inner spray pressure adjusting bolt (3) and an outer spray pressure adjusting bolt (9) are respectively arranged on the valve block (2) and are used for adjusting the pressure of two paths of water of inner circulation and outer circulation at any time.
Compared with the existing hydraulic control valve of the spray pump of the development machine, the hydraulic control valve has the following advantages:
1. Has high-pressure bearing performance: when the pressure is 50MPa, the device can work normally.
2. the flow regulation function is provided: the inner circulation system and the outer circulation system generate different flow rates by adjusting the inner and outer spray flow adjusting bolts (10).
3. The pressure difference function is provided: the flow of two paths of water in the system is adjusted through an internal and external spray flow throttling bolt (10), so that the pressure of the internal circulating water flow is 4MPa, and the pressure of the external circulating water flow is 2 MPa.
The internal and external circulation pressure-dividing and flow-dividing valve of the whole mining development machine spray pump is small in size, light in weight, complete in specification and model, simple in structure, convenient to install and easy to popularize and apply.
Drawings
The invention is explained in more detail below with reference to the figures and examples.
FIG. 1 is a composition structure diagram of an internal and external circulation partial pressure and flow divider valve of a spray pump of the mining development machine;
In the figure:
The device comprises a safety valve (1), a valve block (2), an inner spraying pressure adjusting bolt (3), an inner spraying pressure gauge (4), a liquid inlet K-shaped joint (5), a plug wire (6), an inner spraying K-shaped joint (7), an outer spraying K-shaped joint (8), an outer spraying pressure adjusting bolt (9), an inner and outer spraying flow adjusting bolt (10), a lock nut (11) and an outer spraying pressure gauge (12).
Detailed Description
the internal and external circulation partial pressure and flow divider valve for the spray pump of the mining heading machine comprises a safety valve (1), a valve block (2), an internal spray pressure adjusting bolt (3), an internal spray pressure gauge (4), a liquid inlet K-shaped joint (5), a plug wire (6), an internal spray K-shaped joint (7), an external spray K-shaped joint (8), an external spray pressure adjusting bolt (9), an internal and external spray flow adjusting bolt (10), a lock nut (11) and an external spray pressure gauge (12); the device is characterized in that the safety valve (1) is arranged at the lower side of the valve block (2), and the inner spraying pressure gauge (4) and the outer spraying pressure gauge (12) are arranged at the upper side of the valve block (2); the liquid inlet K-shaped joint (5) is arranged at the front end of the valve block (2), and the inner spraying K-shaped joint (7) and the outer spraying K-shaped joint (8) are respectively arranged at the rear end of the valve block (2); the inner and outer circulation pressure dividing and flow dividing valve of the mining heading machine spray pump is formed by installing the wire blocking (6) and the inner spray pressure adjusting bolt (3) on the left side of the valve block (2), and installing the outer spray pressure adjusting bolt (9) and the inner and outer spray flow adjusting bolt (10) on the right side of the valve block (2).
When the water spraying valve works, high-pressure water enters the valve block (2) through the liquid inlet K-shaped joint (5) and is divided into a left water flow and a right water flow, the left water flow is an internal circulation spraying water flow, and the right water flow is an external circulation spraying water flow; the left and right water flows are adjusted by an internal and external spray flow adjusting bolt (10) to form a flow difference; the pressure of the right-side internal circulation water flow is adjusted through the internal spray pressure adjusting bolt (3) to enable the pressure of the internal circulation water flow to be 4MPa, the right-side internal circulation water flow is supplied to the internal circulation nozzle for spraying through the internal spray K-shaped joint (7), the pressure of the left-side external circulation water flow is adjusted through the external spray pressure adjusting bolt (9) to enable the pressure of the external circulation water flow to be 2MPa, and the left-side external circulation water flow is supplied to the external circulation nozzle for spraying through the external spray K-shaped joint (8), so that the design purpose of the internal and external circulation partial pressure and.
When the mining heading machine spray pump stops working, the power supply spray pump is turned off to stop supplying liquid, the internal and external circulation partial pressure and flow divider valves of the mining heading machine spray pump are cleaned, and the mining heading machine spray pump is placed in a dry place to be dried to prevent corrosion, so that the mining heading machine spray pump can be normally used for a long time.
Practice proves that the maximum bearing pressure section of the internal and external circulation partial pressure shunt valve of the mining development machine spray pump manufactured according to the scheme is 50MPa, 40MPa, 30MPa and 26 MPa; the flow range of the internal and external circulation partial pressure flow divider valve of the mining development machine spray pump is 120L/min, 100L/min, 80L/min and 60L/min.
Claims (2)
1. The internal and external circulation partial pressure and flow divider valve for the spray pump of the mining heading machine comprises a safety valve (1), a valve block (2), an internal spray pressure adjusting bolt (3), an internal spray pressure gauge (4), a liquid inlet K-shaped joint (5), a plug wire (6), an internal spray K-shaped joint (7), an external spray K-shaped joint (8), an external spray pressure adjusting bolt (9), an internal and external spray flow adjusting bolt (10), a lock nut (11) and an external spray pressure gauge (12); the device is characterized in that the safety valve (1) is arranged at the lower side of the valve block (2), and the inner spraying pressure gauge (4) and the outer spraying pressure gauge (12) are arranged at the upper side of the valve block (2); the liquid inlet K-shaped joint (5) is arranged at the front end of the valve block (2), and the inner spraying K-shaped joint (7) and the outer spraying K-shaped joint (8) are respectively arranged at the rear end of the valve block (2); the inner and outer circulation pressure dividing and flow dividing valve of the mining heading machine spray pump is formed by installing the wire blocking (6) and the inner spray pressure adjusting bolt (3) on the left side of the valve block (2), and installing the outer spray pressure adjusting bolt (9) and the inner and outer spray flow adjusting bolt (10) on the right side of the valve block (2).
2. The internal and external circulation partial pressure and flow divider valve of the spray pump of the mining development machine according to claim 1, characterized in that high-pressure water enters the valve block (2) through the liquid-inlet K-shaped joint (5) and is divided into a left water flow and a right water flow, wherein the left water flow is an internal circulation spray water flow, and the right water flow is an external circulation spray water flow; the left and right water flows are adjusted by an internal and external spray flow adjusting bolt (10) to form a flow difference; the pressure of the right-side internal circulation water flow is adjusted through the internal spray pressure adjusting bolt (3) to enable the pressure of the internal circulation water flow to be 4MPa, the right-side internal circulation water flow is supplied to the internal circulation nozzle for spraying through the internal spray K-shaped joint (7), the pressure of the left-side external circulation water flow is adjusted through the external spray pressure adjusting bolt (9) to enable the pressure of the external circulation water flow to be 2MPa, and the left-side external circulation water flow is supplied to the external circulation nozzle for spraying through the external spray K-shaped joint (8), so that the design purpose of the internal and external circulation partial pressure and.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910999357.8A CN110578521A (en) | 2019-10-21 | 2019-10-21 | Internal and external circulation pressure-dividing and flow-dividing valve for spray pump of mining development machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910999357.8A CN110578521A (en) | 2019-10-21 | 2019-10-21 | Internal and external circulation pressure-dividing and flow-dividing valve for spray pump of mining development machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110578521A true CN110578521A (en) | 2019-12-17 |
Family
ID=68815154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910999357.8A Pending CN110578521A (en) | 2019-10-21 | 2019-10-21 | Internal and external circulation pressure-dividing and flow-dividing valve for spray pump of mining development machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110578521A (en) |
-
2019
- 2019-10-21 CN CN201910999357.8A patent/CN110578521A/en active Pending
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